156996920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 376850880

約数和(自身を除く): 219853960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 61, 74, 94, 122, 148, 185, 188, 235, 244, 296, 305, 370, 376, 470, 488, 610, 740, 940, 1220, 1369, 1480, 1739, 1880, 2257, 2440, 2738, 2867, 3478, 4514, 5476, 5734, 6845, 6956, 8695, 9028, 10952, 11285, 11468, 13690, 13912, 14335, 17390, 18056, 22570, 22936, 27380, 28670, 34780, 45140, 54760, 57340, 64343, 69560, 83509, 90280, 106079, 114680, 128686, 167018, 212158, 257372, 321715, 334036, 417545, 424316, 514744, 530395, 643430, 668072, 835090, 848632, 1060790, 1286860, 1670180, 2121580, 2573720, 3340360, 3924923, 4243160, 7849846, 15699692, 19624615, 31399384, 39249230, 78498460, 156996920]

約数ペア:

[(1, 156996920), (2, 78498460), (4, 39249230), (5, 31399384), (8, 19624615), (10, 15699692), (20, 7849846), (37, 4243160), (40, 3924923), (47, 3340360), (61, 2573720), (74, 2121580), (94, 1670180), (122, 1286860), (148, 1060790), (185, 848632), (188, 835090), (235, 668072), (244, 643430), (296, 530395), (305, 514744), (370, 424316), (376, 417545), (470, 334036), (488, 321715), (610, 257372), (740, 212158), (940, 167018), (1220, 128686), (1369, 114680), (1480, 106079), (1739, 90280), (1880, 83509), (2257, 69560), (2440, 64343), (2738, 57340), (2867, 54760), (3478, 45140), (4514, 34780), (5476, 28670), (5734, 27380), (6845, 22936), (6956, 22570), (8695, 18056), (9028, 17390), (10952, 14335), (11285, 13912), (11468, 13690)]