254731920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3391}}^1$

素因数の和:3720

約数の個数: 80

約数和(自身を含む): 792425472

約数和(自身を除く): 537693552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 313, 626, 939, 1252, 1565, 1878, 2504, 3130, 3391, 3756, 4695, 5008, 6260, 6782, 7512, 9390, 10173, 12520, 13564, 15024, 16955, 18780, 20346, 25040, 27128, 33910, 37560, 40692, 50865, 54256, 67820, 75120, 81384, 101730, 135640, 162768, 203460, 271280, 406920, 813840, 1061383, 2122766, 3184149, 4245532, 5306915, 6368298, 8491064, 10613830, 12736596, 15920745, 16982128, 21227660, 25473192, 31841490, 42455320, 50946384, 63682980, 84910640, 127365960, 254731920]

約数ペア:

[(1, 254731920), (2, 127365960), (3, 84910640), (4, 63682980), (5, 50946384), (6, 42455320), (8, 31841490), (10, 25473192), (12, 21227660), (15, 16982128), (16, 15920745), (20, 12736596), (24, 10613830), (30, 8491064), (40, 6368298), (48, 5306915), (60, 4245532), (80, 3184149), (120, 2122766), (240, 1061383), (313, 813840), (626, 406920), (939, 271280), (1252, 203460), (1565, 162768), (1878, 135640), (2504, 101730), (3130, 81384), (3391, 75120), (3756, 67820), (4695, 54256), (5008, 50865), (6260, 40692), (6782, 37560), (7512, 33910), (9390, 27128), (10173, 25040), (12520, 20346), (13564, 18780), (15024, 16955)]