7493940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 25159680

約数和(自身を除く): 17665740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 79, 85, 90, 93, 102, 124, 153, 155, 158, 170, 180, 186, 204, 237, 255, 279, 306, 310, 316, 340, 372, 395, 465, 474, 510, 527, 558, 612, 620, 711, 765, 790, 930, 948, 1020, 1054, 1116, 1185, 1343, 1395, 1422, 1530, 1580, 1581, 1860, 2108, 2370, 2449, 2635, 2686, 2790, 2844, 3060, 3162, 3555, 4029, 4740, 4743, 4898, 5270, 5372, 5580, 6324, 6715, 7110, 7347, 7905, 8058, 9486, 9796, 10540, 12087, 12245, 13430, 14220, 14694, 15810, 16116, 18972, 20145, 22041, 23715, 24174, 24490, 26860, 29388, 31620, 36735, 40290, 41633, 44082, 47430, 48348, 48980, 60435, 73470, 80580, 83266, 88164, 94860, 110205, 120870, 124899, 146940, 166532, 208165, 220410, 241740, 249798, 374697, 416330, 440820, 499596, 624495, 749394, 832660, 1248990, 1498788, 1873485, 2497980, 3746970, 7493940]

約数ペア:

[(1, 7493940), (2, 3746970), (3, 2497980), (4, 1873485), (5, 1498788), (6, 1248990), (9, 832660), (10, 749394), (12, 624495), (15, 499596), (17, 440820), (18, 416330), (20, 374697), (30, 249798), (31, 241740), (34, 220410), (36, 208165), (45, 166532), (51, 146940), (60, 124899), (62, 120870), (68, 110205), (79, 94860), (85, 88164), (90, 83266), (93, 80580), (102, 73470), (124, 60435), (153, 48980), (155, 48348), (158, 47430), (170, 44082), (180, 41633), (186, 40290), (204, 36735), (237, 31620), (255, 29388), (279, 26860), (306, 24490), (310, 24174), (316, 23715), (340, 22041), (372, 20145), (395, 18972), (465, 16116), (474, 15810), (510, 14694), (527, 14220), (558, 13430), (612, 12245), (620, 12087), (711, 10540), (765, 9796), (790, 9486), (930, 8058), (948, 7905), (1020, 7347), (1054, 7110), (1116, 6715), (1185, 6324), (1343, 5580), (1395, 5372), (1422, 5270), (1530, 4898), (1580, 4743), (1581, 4740), (1860, 4029), (2108, 3555), (2370, 3162), (2449, 3060), (2635, 2844), (2686, 2790)]