15678816940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1\times {\mathrm{1619}}^1$

素因数の和:1999

約数の個数: 96

約数和(自身を含む): 34782048000

約数和(自身を除く): 19103231060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 283, 290, 295, 566, 580, 590, 1132, 1180, 1415, 1619, 1711, 2830, 3238, 3422, 5660, 6476, 6844, 8095, 8207, 8555, 16190, 16414, 16697, 17110, 32380, 32828, 33394, 34220, 41035, 46951, 66788, 82070, 83485, 93902, 95521, 164140, 166970, 187804, 191042, 234755, 333940, 382084, 458177, 469510, 477605, 484213, 916354, 939020, 955210, 968426, 1832708, 1910420, 1936852, 2290885, 2421065, 2770109, 4581770, 4842130, 5540218, 9163540, 9684260, 11080436, 13287133, 13850545, 26574266, 27032443, 27701090, 53148532, 54064886, 55402180, 66435665, 108129772, 132871330, 135162215, 265742660, 270324430, 540648860, 783940847, 1567881694, 3135763388, 3919704235, 7839408470, 15678816940]

約数ペア:

[(1, 15678816940), (2, 7839408470), (4, 3919704235), (5, 3135763388), (10, 1567881694), (20, 783940847), (29, 540648860), (58, 270324430), (59, 265742660), (116, 135162215), (118, 132871330), (145, 108129772), (236, 66435665), (283, 55402180), (290, 54064886), (295, 53148532), (566, 27701090), (580, 27032443), (590, 26574266), (1132, 13850545), (1180, 13287133), (1415, 11080436), (1619, 9684260), (1711, 9163540), (2830, 5540218), (3238, 4842130), (3422, 4581770), (5660, 2770109), (6476, 2421065), (6844, 2290885), (8095, 1936852), (8207, 1910420), (8555, 1832708), (16190, 968426), (16414, 955210), (16697, 939020), (17110, 916354), (32380, 484213), (32828, 477605), (33394, 469510), (34220, 458177), (41035, 382084), (46951, 333940), (66788, 234755), (82070, 191042), (83485, 187804), (93902, 166970), (95521, 164140)]