640232832

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53783}}^1$

素因数の和:53831

約数の個数: 64

約数和(自身を含む): 1755509760

約数和(自身を除く): 1115276928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 53783, 107566, 161349, 215132, 322698, 430264, 645396, 860528, 1290792, 1667273, 1721056, 2581584, 3334546, 3442112, 5001819, 5163168, 6669092, 6884224, 10003638, 10326336, 13338184, 20007276, 20652672, 26676368, 40014552, 53352736, 80029104, 106705472, 160058208, 213410944, 320116416, 640232832]

約数ペア:

[(1, 640232832), (2, 320116416), (3, 213410944), (4, 160058208), (6, 106705472), (8, 80029104), (12, 53352736), (16, 40014552), (24, 26676368), (31, 20652672), (32, 20007276), (48, 13338184), (62, 10326336), (64, 10003638), (93, 6884224), (96, 6669092), (124, 5163168), (128, 5001819), (186, 3442112), (192, 3334546), (248, 2581584), (372, 1721056), (384, 1667273), (496, 1290792), (744, 860528), (992, 645396), (1488, 430264), (1984, 322698), (2976, 215132), (3968, 161349), (5952, 107566), (11904, 53783)]