40884660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 135862272

約数和(自身を除く): 94977612

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, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 431, 465, 510, 527, 558, 612, 620, 765, 862, 930, 1020, 1054, 1116, 1293, 1395, 1530, 1581, 1724, 1860, 2108, 2155, 2586, 2635, 2790, 3060, 3162, 3879, 4310, 4743, 5172, 5270, 5580, 6324, 6465, 7327, 7758, 7905, 8620, 9486, 10540, 12930, 13361, 14654, 15516, 15810, 18972, 19395, 21981, 23715, 25860, 26722, 29308, 31620, 36635, 38790, 40083, 43962, 47430, 53444, 65943, 66805, 73270, 77580, 80166, 87924, 94860, 109905, 120249, 131886, 133610, 146540, 160332, 200415, 219810, 227137, 240498, 263772, 267220, 329715, 400830, 439620, 454274, 480996, 601245, 659430, 681411, 801660, 908548, 1135685, 1202490, 1318860, 1362822, 2044233, 2271370, 2404980, 2725644, 3407055, 4088466, 4542740, 6814110, 8176932, 10221165, 13628220, 20442330, 40884660]

約数ペア:

[(1, 40884660), (2, 20442330), (3, 13628220), (4, 10221165), (5, 8176932), (6, 6814110), (9, 4542740), (10, 4088466), (12, 3407055), (15, 2725644), (17, 2404980), (18, 2271370), (20, 2044233), (30, 1362822), (31, 1318860), (34, 1202490), (36, 1135685), (45, 908548), (51, 801660), (60, 681411), (62, 659430), (68, 601245), (85, 480996), (90, 454274), (93, 439620), (102, 400830), (124, 329715), (153, 267220), (155, 263772), (170, 240498), (180, 227137), (186, 219810), (204, 200415), (255, 160332), (279, 146540), (306, 133610), (310, 131886), (340, 120249), (372, 109905), (431, 94860), (465, 87924), (510, 80166), (527, 77580), (558, 73270), (612, 66805), (620, 65943), (765, 53444), (862, 47430), (930, 43962), (1020, 40083), (1054, 38790), (1116, 36635), (1293, 31620), (1395, 29308), (1530, 26722), (1581, 25860), (1724, 23715), (1860, 21981), (2108, 19395), (2155, 18972), (2586, 15810), (2635, 15516), (2790, 14654), (3060, 13361), (3162, 12930), (3879, 10540), (4310, 9486), (4743, 8620), (5172, 7905), (5270, 7758), (5580, 7327), (6324, 6465)]