30431940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{941}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 108247104

約数和(自身を除く): 77815164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 941, 980, 1078, 1155, 1470, 1540, 1617, 1882, 2156, 2310, 2695, 2823, 2940, 3234, 3764, 4620, 4705, 5390, 5646, 6468, 6587, 8085, 9410, 10351, 10780, 11292, 13174, 14115, 16170, 18820, 19761, 20702, 26348, 28230, 31053, 32340, 32935, 39522, 41404, 46109, 51755, 56460, 62106, 65870, 72457, 79044, 92218, 98805, 103510, 124212, 131740, 138327, 144914, 155265, 184436, 197610, 207020, 217371, 230545, 276654, 289828, 310530, 362285, 395220, 434742, 461090, 507199, 553308, 621060, 691635, 724570, 869484, 922180, 1014398, 1086855, 1383270, 1449140, 1521597, 2028796, 2173710, 2535995, 2766540, 3043194, 4347420, 5071990, 6086388, 7607985, 10143980, 15215970, 30431940]

約数ペア:

[(1, 30431940), (2, 15215970), (3, 10143980), (4, 7607985), (5, 6086388), (6, 5071990), (7, 4347420), (10, 3043194), (11, 2766540), (12, 2535995), (14, 2173710), (15, 2028796), (20, 1521597), (21, 1449140), (22, 1383270), (28, 1086855), (30, 1014398), (33, 922180), (35, 869484), (42, 724570), (44, 691635), (49, 621060), (55, 553308), (60, 507199), (66, 461090), (70, 434742), (77, 395220), (84, 362285), (98, 310530), (105, 289828), (110, 276654), (132, 230545), (140, 217371), (147, 207020), (154, 197610), (165, 184436), (196, 155265), (210, 144914), (220, 138327), (231, 131740), (245, 124212), (294, 103510), (308, 98805), (330, 92218), (385, 79044), (420, 72457), (462, 65870), (490, 62106), (539, 56460), (588, 51755), (660, 46109), (735, 41404), (770, 39522), (924, 32935), (941, 32340), (980, 31053), (1078, 28230), (1155, 26348), (1470, 20702), (1540, 19761), (1617, 18820), (1882, 16170), (2156, 14115), (2310, 13174), (2695, 11292), (2823, 10780), (2940, 10351), (3234, 9410), (3764, 8085), (4620, 6587), (4705, 6468), (5390, 5646)]