391981980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 1298626560

約数和(自身を除く): 906644580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 31, 39, 43, 52, 58, 60, 62, 65, 78, 86, 87, 93, 116, 124, 129, 130, 145, 155, 156, 169, 172, 174, 186, 195, 215, 258, 260, 290, 310, 338, 348, 372, 377, 390, 403, 430, 435, 465, 507, 516, 559, 580, 620, 645, 676, 754, 780, 806, 845, 860, 870, 899, 930, 1014, 1118, 1131, 1209, 1247, 1290, 1333, 1508, 1612, 1677, 1690, 1740, 1798, 1860, 1885, 2015, 2028, 2236, 2262, 2418, 2494, 2535, 2580, 2666, 2697, 2795, 3354, 3380, 3596, 3741, 3770, 3999, 4030, 4495, 4524, 4836, 4901, 4988, 5070, 5239, 5332, 5394, 5590, 5655, 6045, 6235, 6665, 6708, 7267, 7482, 7540, 7998, 8060, 8385, 8990, 9802, 10140, 10478, 10788, 11180, 11310, 11687, 12090, 12470, 13330, 13485, 14534, 14703, 14964, 15717, 15996, 16211, 16770, 17329, 17980, 18705, 19604, 19995, 20956, 21801, 22620, 23374, 24180, 24505, 24940, 26195, 26660, 26970, 29068, 29406, 31434, 32422, 33540, 34658, 35061, 36335, 37410, 38657, 39990, 43602, 46748, 48633, 49010, 51987, 52390, 53940, 58435, 58812, 62868, 64844, 69316, 70122, 72670, 73515, 74820, 77314, 78585, 79980, 81055, 86645, 87204, 97266, 98020, 103974, 104780, 109005, 115971, 116870, 140244, 145340, 147030, 151931, 154628, 157170, 162110, 173290, 175305, 193285, 194532, 207948, 210743, 218010, 225277, 231942, 233740, 243165, 259935, 294060, 303862, 314340, 324220, 346580, 350610, 386570, 421486, 436020, 450554, 455793, 463884, 486330, 502541, 519870, 579855, 607724, 632229, 675831, 701220, 759655, 773140, 842972, 901108, 911586, 972660, 1005082, 1039740, 1053715, 1126385, 1159710, 1264458, 1351662, 1507623, 1519310, 1823172, 2010164, 2107430, 2252770, 2278965, 2319420, 2512705, 2528916, 2703324, 3015246, 3038620, 3161145, 3379155, 4214860, 4505540, 4557930, 5025410, 6030492, 6322290, 6533033, 6758310, 7538115, 9115860, 10050820, 12644580, 13066066, 13516620, 15076230, 19599099, 26132132, 30152460, 32665165, 39198198, 65330330, 78396396, 97995495, 130660660, 195990990, 391981980]

約数ペア:

[(1, 391981980), (2, 195990990), (3, 130660660), (4, 97995495), (5, 78396396), (6, 65330330), (10, 39198198), (12, 32665165), (13, 30152460), (15, 26132132), (20, 19599099), (26, 15076230), (29, 13516620), (30, 13066066), (31, 12644580), (39, 10050820), (43, 9115860), (52, 7538115), (58, 6758310), (60, 6533033), (62, 6322290), (65, 6030492), (78, 5025410), (86, 4557930), (87, 4505540), (93, 4214860), (116, 3379155), (124, 3161145), (129, 3038620), (130, 3015246), (145, 2703324), (155, 2528916), (156, 2512705), (169, 2319420), (172, 2278965), (174, 2252770), (186, 2107430), (195, 2010164), (215, 1823172), (258, 1519310), (260, 1507623), (290, 1351662), (310, 1264458), (338, 1159710), (348, 1126385), (372, 1053715), (377, 1039740), (390, 1005082), (403, 972660), (430, 911586), (435, 901108), (465, 842972), (507, 773140), (516, 759655), (559, 701220), (580, 675831), (620, 632229), (645, 607724), (676, 579855), (754, 519870), (780, 502541), (806, 486330), (845, 463884), (860, 455793), (870, 450554), (899, 436020), (930, 421486), (1014, 386570), (1118, 350610), (1131, 346580), (1209, 324220), (1247, 314340), (1290, 303862), (1333, 294060), (1508, 259935), (1612, 243165), (1677, 233740), (1690, 231942), (1740, 225277), (1798, 218010), (1860, 210743), (1885, 207948), (2015, 194532), (2028, 193285), (2236, 175305), (2262, 173290), (2418, 162110), (2494, 157170), (2535, 154628), (2580, 151931), (2666, 147030), (2697, 145340), (2795, 140244), (3354, 116870), (3380, 115971), (3596, 109005), (3741, 104780), (3770, 103974), (3999, 98020), (4030, 97266), (4495, 87204), (4524, 86645), (4836, 81055), (4901, 79980), (4988, 78585), (5070, 77314), (5239, 74820), (5332, 73515), (5394, 72670), (5590, 70122), (5655, 69316), (6045, 64844), (6235, 62868), (6665, 58812), (6708, 58435), (7267, 53940), (7482, 52390), (7540, 51987), (7998, 49010), (8060, 48633), (8385, 46748), (8990, 43602), (9802, 39990), (10140, 38657), (10478, 37410), (10788, 36335), (11180, 35061), (11310, 34658), (11687, 33540), (12090, 32422), (12470, 31434), (13330, 29406), (13485, 29068), (14534, 26970), (14703, 26660), (14964, 26195), (15717, 24940), (15996, 24505), (16211, 24180), (16770, 23374), (17329, 22620), (17980, 21801), (18705, 20956), (19604, 19995)]