19915091640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{4517}}^1$

素因数の和:4902

約数の個数: 192

約数和(自身を含む): 66688932960

約数和(自身を除く): 46773841320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 331, 333, 360, 370, 444, 555, 662, 666, 740, 888, 993, 1110, 1324, 1332, 1480, 1655, 1665, 1986, 2220, 2648, 2664, 2979, 3310, 3330, 3972, 4440, 4517, 4965, 5958, 6620, 6660, 7944, 9034, 9930, 11916, 12247, 13240, 13320, 13551, 14895, 18068, 19860, 22585, 23832, 24494, 27102, 29790, 36136, 36741, 39720, 40653, 45170, 48988, 54204, 59580, 61235, 67755, 73482, 81306, 90340, 97976, 108408, 110223, 119160, 122470, 135510, 146964, 162612, 167129, 180680, 183705, 203265, 220446, 244940, 271020, 293928, 325224, 334258, 367410, 406530, 440892, 489880, 501387, 542040, 551115, 668516, 734820, 813060, 835645, 881784, 1002774, 1102230, 1337032, 1469640, 1495127, 1504161, 1626120, 1671290, 2005548, 2204460, 2506935, 2990254, 3008322, 3342580, 4011096, 4408920, 4485381, 5013870, 5980508, 6016644, 6685160, 7475635, 7520805, 8970762, 10027740, 11961016, 12033288, 13456143, 14951270, 15041610, 17941524, 20055480, 22426905, 26912286, 29902540, 30083220, 35883048, 44853810, 53824572, 55319699, 59805080, 60166440, 67280715, 89707620, 107649144, 110639398, 134561430, 165959097, 179415240, 221278796, 269122860, 276598495, 331918194, 442557592, 497877291, 538245720, 553196990, 663836388, 829795485, 995754582, 1106393980, 1327672776, 1659590970, 1991509164, 2212787960, 2489386455, 3319181940, 3983018328, 4978772910, 6638363880, 9957545820, 19915091640]

約数ペア:

[(1, 19915091640), (2, 9957545820), (3, 6638363880), (4, 4978772910), (5, 3983018328), (6, 3319181940), (8, 2489386455), (9, 2212787960), (10, 1991509164), (12, 1659590970), (15, 1327672776), (18, 1106393980), (20, 995754582), (24, 829795485), (30, 663836388), (36, 553196990), (37, 538245720), (40, 497877291), (45, 442557592), (60, 331918194), (72, 276598495), (74, 269122860), (90, 221278796), (111, 179415240), (120, 165959097), (148, 134561430), (180, 110639398), (185, 107649144), (222, 89707620), (296, 67280715), (331, 60166440), (333, 59805080), (360, 55319699), (370, 53824572), (444, 44853810), (555, 35883048), (662, 30083220), (666, 29902540), (740, 26912286), (888, 22426905), (993, 20055480), (1110, 17941524), (1324, 15041610), (1332, 14951270), (1480, 13456143), (1655, 12033288), (1665, 11961016), (1986, 10027740), (2220, 8970762), (2648, 7520805), (2664, 7475635), (2979, 6685160), (3310, 6016644), (3330, 5980508), (3972, 5013870), (4440, 4485381), (4517, 4408920), (4965, 4011096), (5958, 3342580), (6620, 3008322), (6660, 2990254), (7944, 2506935), (9034, 2204460), (9930, 2005548), (11916, 1671290), (12247, 1626120), (13240, 1504161), (13320, 1495127), (13551, 1469640), (14895, 1337032), (18068, 1102230), (19860, 1002774), (22585, 881784), (23832, 835645), (24494, 813060), (27102, 734820), (29790, 668516), (36136, 551115), (36741, 542040), (39720, 501387), (40653, 489880), (45170, 440892), (48988, 406530), (54204, 367410), (59580, 334258), (61235, 325224), (67755, 293928), (73482, 271020), (81306, 244940), (90340, 220446), (97976, 203265), (108408, 183705), (110223, 180680), (119160, 167129), (122470, 162612), (135510, 146964)]