159156920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 412776000

約数和(自身を除く): 253619080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 89, 95, 104, 130, 152, 178, 181, 190, 247, 260, 356, 362, 380, 445, 494, 520, 712, 724, 760, 890, 905, 988, 1157, 1235, 1448, 1691, 1780, 1810, 1976, 2314, 2353, 2470, 3382, 3439, 3560, 3620, 4628, 4706, 4940, 5785, 6764, 6878, 7240, 8455, 9256, 9412, 9880, 11570, 11765, 13528, 13756, 16109, 16910, 17195, 18824, 21983, 23140, 23530, 27512, 32218, 33820, 34390, 43966, 44707, 46280, 47060, 64436, 67640, 68780, 80545, 87932, 89414, 94120, 109915, 128872, 137560, 161090, 175864, 178828, 209417, 219830, 223535, 306071, 322180, 357656, 418834, 439660, 447070, 612142, 644360, 837668, 879320, 894140, 1047085, 1224284, 1530355, 1675336, 1788280, 2094170, 2448568, 3060710, 3978923, 4188340, 6121420, 7957846, 8376680, 12242840, 15915692, 19894615, 31831384, 39789230, 79578460, 159156920]

約数ペア:

[(1, 159156920), (2, 79578460), (4, 39789230), (5, 31831384), (8, 19894615), (10, 15915692), (13, 12242840), (19, 8376680), (20, 7957846), (26, 6121420), (38, 4188340), (40, 3978923), (52, 3060710), (65, 2448568), (76, 2094170), (89, 1788280), (95, 1675336), (104, 1530355), (130, 1224284), (152, 1047085), (178, 894140), (181, 879320), (190, 837668), (247, 644360), (260, 612142), (356, 447070), (362, 439660), (380, 418834), (445, 357656), (494, 322180), (520, 306071), (712, 223535), (724, 219830), (760, 209417), (890, 178828), (905, 175864), (988, 161090), (1157, 137560), (1235, 128872), (1448, 109915), (1691, 94120), (1780, 89414), (1810, 87932), (1976, 80545), (2314, 68780), (2353, 67640), (2470, 64436), (3382, 47060), (3439, 46280), (3560, 44707), (3620, 43966), (4628, 34390), (4706, 33820), (4940, 32218), (5785, 27512), (6764, 23530), (6878, 23140), (7240, 21983), (8455, 18824), (9256, 17195), (9412, 16910), (9880, 16109), (11570, 13756), (11765, 13528)]