40481970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 70110030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 31, 38, 57, 58, 62, 79, 87, 93, 95, 114, 145, 155, 158, 174, 186, 190, 237, 285, 290, 310, 395, 435, 465, 474, 551, 570, 589, 790, 870, 899, 930, 1102, 1178, 1185, 1501, 1653, 1767, 1798, 2291, 2370, 2449, 2697, 2755, 2945, 3002, 3306, 3534, 4495, 4503, 4582, 4898, 5394, 5510, 5890, 6873, 7347, 7505, 8265, 8835, 8990, 9006, 11455, 12245, 13485, 13746, 14694, 15010, 16530, 17081, 17670, 22515, 22910, 24490, 26970, 34162, 34365, 36735, 43529, 45030, 46531, 51243, 68730, 71021, 73470, 85405, 87058, 93062, 102486, 130587, 139593, 142042, 170810, 213063, 217645, 232655, 256215, 261174, 279186, 355105, 426126, 435290, 465310, 512430, 652935, 697965, 710210, 1065315, 1305870, 1349399, 1395930, 2130630, 2698798, 4048197, 6746995, 8096394, 13493990, 20240985, 40481970]

約数ペア:

[(1, 40481970), (2, 20240985), (3, 13493990), (5, 8096394), (6, 6746995), (10, 4048197), (15, 2698798), (19, 2130630), (29, 1395930), (30, 1349399), (31, 1305870), (38, 1065315), (57, 710210), (58, 697965), (62, 652935), (79, 512430), (87, 465310), (93, 435290), (95, 426126), (114, 355105), (145, 279186), (155, 261174), (158, 256215), (174, 232655), (186, 217645), (190, 213063), (237, 170810), (285, 142042), (290, 139593), (310, 130587), (395, 102486), (435, 93062), (465, 87058), (474, 85405), (551, 73470), (570, 71021), (589, 68730), (790, 51243), (870, 46531), (899, 45030), (930, 43529), (1102, 36735), (1178, 34365), (1185, 34162), (1501, 26970), (1653, 24490), (1767, 22910), (1798, 22515), (2291, 17670), (2370, 17081), (2449, 16530), (2697, 15010), (2755, 14694), (2945, 13746), (3002, 13485), (3306, 12245), (3534, 11455), (4495, 9006), (4503, 8990), (4582, 8835), (4898, 8265), (5394, 7505), (5510, 7347), (5890, 6873)]