155944880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 160

約数和(自身を含む): 461303808

約数和(自身を除く): 305358928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 691, 728, 806, 868, 910, 1040, 1085, 1240, 1382, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2764, 2821, 3224, 3455, 3472, 3640, 4030, 4340, 4837, 5528, 5642, 6448, 6910, 7280, 8060, 8680, 8983, 9674, 11056, 11284, 13820, 14105, 16120, 17360, 17966, 19348, 21421, 22568, 24185, 27640, 28210, 32240, 35932, 38696, 42842, 44915, 45136, 48370, 55280, 56420, 62881, 71864, 77392, 85684, 89830, 96740, 107105, 112840, 125762, 143728, 149947, 171368, 179660, 193480, 214210, 225680, 251524, 278473, 299894, 314405, 342736, 359320, 386960, 428420, 503048, 556946, 599788, 628810, 718640, 749735, 856840, 1006096, 1113892, 1199576, 1257620, 1392365, 1499470, 1713680, 1949311, 2227784, 2399152, 2515240, 2784730, 2998940, 3898622, 4455568, 5030480, 5569460, 5997880, 7797244, 9746555, 11138920, 11995760, 15594488, 19493110, 22277840, 31188976, 38986220, 77972440, 155944880]

約数ペア:

[(1, 155944880), (2, 77972440), (4, 38986220), (5, 31188976), (7, 22277840), (8, 19493110), (10, 15594488), (13, 11995760), (14, 11138920), (16, 9746555), (20, 7797244), (26, 5997880), (28, 5569460), (31, 5030480), (35, 4455568), (40, 3898622), (52, 2998940), (56, 2784730), (62, 2515240), (65, 2399152), (70, 2227784), (80, 1949311), (91, 1713680), (104, 1499470), (112, 1392365), (124, 1257620), (130, 1199576), (140, 1113892), (155, 1006096), (182, 856840), (208, 749735), (217, 718640), (248, 628810), (260, 599788), (280, 556946), (310, 503048), (364, 428420), (403, 386960), (434, 359320), (455, 342736), (496, 314405), (520, 299894), (560, 278473), (620, 251524), (691, 225680), (728, 214210), (806, 193480), (868, 179660), (910, 171368), (1040, 149947), (1085, 143728), (1240, 125762), (1382, 112840), (1456, 107105), (1612, 96740), (1736, 89830), (1820, 85684), (2015, 77392), (2170, 71864), (2480, 62881), (2764, 56420), (2821, 55280), (3224, 48370), (3455, 45136), (3472, 44915), (3640, 42842), (4030, 38696), (4340, 35932), (4837, 32240), (5528, 28210), (5642, 27640), (6448, 24185), (6910, 22568), (7280, 21421), (8060, 19348), (8680, 17966), (8983, 17360), (9674, 16120), (11056, 14105), (11284, 13820)]