155557320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 482112000

約数和(自身を除く): 326554680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 79, 120, 122, 158, 183, 237, 244, 269, 305, 316, 366, 395, 474, 488, 538, 610, 632, 732, 790, 807, 915, 948, 1076, 1185, 1220, 1345, 1464, 1580, 1614, 1830, 1896, 2152, 2370, 2440, 2690, 3160, 3228, 3660, 4035, 4740, 4819, 5380, 6456, 7320, 8070, 9480, 9638, 10760, 14457, 16140, 16409, 19276, 21251, 24095, 28914, 32280, 32818, 38552, 42502, 48190, 49227, 57828, 63753, 65636, 72285, 82045, 85004, 96380, 98454, 106255, 115656, 127506, 131272, 144570, 164090, 170008, 192760, 196908, 212510, 246135, 255012, 289140, 318765, 328180, 393816, 425020, 492270, 510024, 578280, 637530, 656360, 850040, 984540, 1275060, 1296311, 1969080, 2550120, 2592622, 3888933, 5185244, 6481555, 7777866, 10370488, 12963110, 15555732, 19444665, 25926220, 31111464, 38889330, 51852440, 77778660, 155557320]

約数ペア:

[(1, 155557320), (2, 77778660), (3, 51852440), (4, 38889330), (5, 31111464), (6, 25926220), (8, 19444665), (10, 15555732), (12, 12963110), (15, 10370488), (20, 7777866), (24, 6481555), (30, 5185244), (40, 3888933), (60, 2592622), (61, 2550120), (79, 1969080), (120, 1296311), (122, 1275060), (158, 984540), (183, 850040), (237, 656360), (244, 637530), (269, 578280), (305, 510024), (316, 492270), (366, 425020), (395, 393816), (474, 328180), (488, 318765), (538, 289140), (610, 255012), (632, 246135), (732, 212510), (790, 196908), (807, 192760), (915, 170008), (948, 164090), (1076, 144570), (1185, 131272), (1220, 127506), (1345, 115656), (1464, 106255), (1580, 98454), (1614, 96380), (1830, 85004), (1896, 82045), (2152, 72285), (2370, 65636), (2440, 63753), (2690, 57828), (3160, 49227), (3228, 48190), (3660, 42502), (4035, 38552), (4740, 32818), (4819, 32280), (5380, 28914), (6456, 24095), (7320, 21251), (8070, 19276), (9480, 16409), (9638, 16140), (10760, 14457)]