20171585980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 288

約数和(自身を含む): 56306880000

約数和(自身を除く): 36135294020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 167, 182, 190, 196, 245, 247, 260, 266, 334, 364, 380, 455, 490, 494, 499, 532, 637, 665, 668, 835, 910, 931, 980, 988, 998, 1169, 1235, 1274, 1330, 1670, 1729, 1820, 1862, 1996, 2171, 2338, 2470, 2495, 2548, 2660, 3173, 3185, 3340, 3458, 3493, 3724, 4342, 4655, 4676, 4940, 4990, 5845, 6346, 6370, 6487, 6916, 6986, 8183, 8645, 8684, 9310, 9481, 9980, 10855, 11690, 12103, 12692, 12740, 12974, 13972, 15197, 15865, 16366, 17290, 17465, 18620, 18962, 21710, 22211, 23380, 24206, 24451, 25948, 30394, 31730, 32435, 32732, 34580, 34930, 37924, 40915, 41249, 43420, 44422, 45409, 47405, 48412, 48902, 60515, 60788, 63460, 64870, 66367, 69860, 75985, 81830, 82498, 83333, 88844, 90818, 94810, 97804, 106379, 111055, 121030, 122255, 123253, 129740, 132734, 151970, 155477, 163660, 164996, 166666, 181636, 189620, 206245, 212758, 222110, 227045, 242060, 244510, 246506, 265468, 288743, 303940, 310954, 317863, 331835, 333332, 412490, 416665, 425516, 444220, 454090, 464569, 489020, 493012, 531895, 577486, 583331, 616265, 621908, 635726, 663670, 777385, 824980, 833330, 862771, 908180, 929138, 1063790, 1083329, 1154972, 1166662, 1232530, 1271452, 1327340, 1443715, 1554770, 1583327, 1589315, 1666660, 1725542, 1858276, 2021201, 2127580, 2166658, 2322845, 2333324, 2465060, 2887430, 2916655, 3109540, 3166654, 3178630, 3451084, 4042402, 4083317, 4313855, 4333316, 4645690, 5416645, 5774860, 5833310, 6039397, 6333308, 6357260, 7583303, 7916635, 8084804, 8166634, 8627710, 9291380, 10106005, 10833290, 11083289, 11666620, 12078794, 15166606, 15833270, 16333268, 17255420, 20212010, 20416585, 20583251, 21666580, 22166578, 24157588, 30196985, 30333212, 31666540, 37916515, 40424020, 40833170, 41166502, 44333156, 53083121, 55416445, 60393970, 75833030, 77583023, 81666340, 82333004, 102916255, 106166242, 110832890, 120787940, 144082757, 151666060, 155166046, 205832510, 212332484, 221665780, 265415605, 288165514, 310332092, 387915115, 411665020, 530831210, 576331028, 720413785, 775830230, 1008579299, 1061662420, 1440827570, 1551660460, 2017158598, 2881655140, 4034317196, 5042896495, 10085792990, 20171585980]

約数ペア:

[(1, 20171585980), (2, 10085792990), (4, 5042896495), (5, 4034317196), (7, 2881655140), (10, 2017158598), (13, 1551660460), (14, 1440827570), (19, 1061662420), (20, 1008579299), (26, 775830230), (28, 720413785), (35, 576331028), (38, 530831210), (49, 411665020), (52, 387915115), (65, 310332092), (70, 288165514), (76, 265415605), (91, 221665780), (95, 212332484), (98, 205832510), (130, 155166046), (133, 151666060), (140, 144082757), (167, 120787940), (182, 110832890), (190, 106166242), (196, 102916255), (245, 82333004), (247, 81666340), (260, 77583023), (266, 75833030), (334, 60393970), (364, 55416445), (380, 53083121), (455, 44333156), (490, 41166502), (494, 40833170), (499, 40424020), (532, 37916515), (637, 31666540), (665, 30333212), (668, 30196985), (835, 24157588), (910, 22166578), (931, 21666580), (980, 20583251), (988, 20416585), (998, 20212010), (1169, 17255420), (1235, 16333268), (1274, 15833270), (1330, 15166606), (1670, 12078794), (1729, 11666620), (1820, 11083289), (1862, 10833290), (1996, 10106005), (2171, 9291380), (2338, 8627710), (2470, 8166634), (2495, 8084804), (2548, 7916635), (2660, 7583303), (3173, 6357260), (3185, 6333308), (3340, 6039397), (3458, 5833310), (3493, 5774860), (3724, 5416645), (4342, 4645690), (4655, 4333316), (4676, 4313855), (4940, 4083317), (4990, 4042402), (5845, 3451084), (6346, 3178630), (6370, 3166654), (6487, 3109540), (6916, 2916655), (6986, 2887430), (8183, 2465060), (8645, 2333324), (8684, 2322845), (9310, 2166658), (9481, 2127580), (9980, 2021201), (10855, 1858276), (11690, 1725542), (12103, 1666660), (12692, 1589315), (12740, 1583327), (12974, 1554770), (13972, 1443715), (15197, 1327340), (15865, 1271452), (16366, 1232530), (17290, 1166662), (17465, 1154972), (18620, 1083329), (18962, 1063790), (21710, 929138), (22211, 908180), (23380, 862771), (24206, 833330), (24451, 824980), (25948, 777385), (30394, 663670), (31730, 635726), (32435, 621908), (32732, 616265), (34580, 583331), (34930, 577486), (37924, 531895), (40915, 493012), (41249, 489020), (43420, 464569), (44422, 454090), (45409, 444220), (47405, 425516), (48412, 416665), (48902, 412490), (60515, 333332), (60788, 331835), (63460, 317863), (64870, 310954), (66367, 303940), (69860, 288743), (75985, 265468), (81830, 246506), (82498, 244510), (83333, 242060), (88844, 227045), (90818, 222110), (94810, 212758), (97804, 206245), (106379, 189620), (111055, 181636), (121030, 166666), (122255, 164996), (123253, 163660), (129740, 155477), (132734, 151970)]