156612620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 356977152

約数和(自身を除く): 200364532

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 61, 62, 82, 101, 122, 124, 155, 164, 202, 205, 244, 305, 310, 404, 410, 505, 610, 620, 820, 1010, 1220, 1271, 1891, 2020, 2501, 2542, 3131, 3782, 4141, 5002, 5084, 6161, 6262, 6355, 7564, 8282, 9455, 10004, 12322, 12505, 12524, 12710, 15655, 16564, 18910, 20705, 24644, 25010, 25420, 30805, 31310, 37820, 41410, 50020, 61610, 62620, 77531, 82820, 123220, 128371, 155062, 190991, 252601, 256742, 310124, 381982, 387655, 505202, 513484, 641855, 763964, 775310, 954955, 1010404, 1263005, 1283710, 1550620, 1909910, 2526010, 2567420, 3819820, 5052020, 7830631, 15661262, 31322524, 39153155, 78306310, 156612620]

約数ペア:

[(1, 156612620), (2, 78306310), (4, 39153155), (5, 31322524), (10, 15661262), (20, 7830631), (31, 5052020), (41, 3819820), (61, 2567420), (62, 2526010), (82, 1909910), (101, 1550620), (122, 1283710), (124, 1263005), (155, 1010404), (164, 954955), (202, 775310), (205, 763964), (244, 641855), (305, 513484), (310, 505202), (404, 387655), (410, 381982), (505, 310124), (610, 256742), (620, 252601), (820, 190991), (1010, 155062), (1220, 128371), (1271, 123220), (1891, 82820), (2020, 77531), (2501, 62620), (2542, 61610), (3131, 50020), (3782, 41410), (4141, 37820), (5002, 31310), (5084, 30805), (6161, 25420), (6262, 25010), (6355, 24644), (7564, 20705), (8282, 18910), (9455, 16564), (10004, 15655), (12322, 12710), (12505, 12524)]