63201920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 165350160

約数和(自身を除く): 102148240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 148, 157, 160, 170, 185, 272, 296, 314, 320, 340, 370, 544, 592, 628, 629, 640, 680, 740, 785, 1088, 1184, 1256, 1258, 1360, 1480, 1570, 2176, 2368, 2512, 2516, 2669, 2720, 2960, 3140, 3145, 4736, 5024, 5032, 5338, 5440, 5809, 5920, 6280, 6290, 10048, 10064, 10676, 10880, 11618, 11840, 12560, 12580, 13345, 20096, 20128, 21352, 23236, 23680, 25120, 25160, 26690, 29045, 40256, 42704, 46472, 50240, 50320, 53380, 58090, 80512, 85408, 92944, 98753, 100480, 100640, 106760, 116180, 170816, 185888, 197506, 201280, 213520, 232360, 341632, 371776, 395012, 402560, 427040, 464720, 493765, 743552, 790024, 854080, 929440, 987530, 1580048, 1708160, 1858880, 1975060, 3160096, 3717760, 3950120, 6320192, 7900240, 12640384, 15800480, 31600960, 63201920]

約数ペア:

[(1, 63201920), (2, 31600960), (4, 15800480), (5, 12640384), (8, 7900240), (10, 6320192), (16, 3950120), (17, 3717760), (20, 3160096), (32, 1975060), (34, 1858880), (37, 1708160), (40, 1580048), (64, 987530), (68, 929440), (74, 854080), (80, 790024), (85, 743552), (128, 493765), (136, 464720), (148, 427040), (157, 402560), (160, 395012), (170, 371776), (185, 341632), (272, 232360), (296, 213520), (314, 201280), (320, 197506), (340, 185888), (370, 170816), (544, 116180), (592, 106760), (628, 100640), (629, 100480), (640, 98753), (680, 92944), (740, 85408), (785, 80512), (1088, 58090), (1184, 53380), (1256, 50320), (1258, 50240), (1360, 46472), (1480, 42704), (1570, 40256), (2176, 29045), (2368, 26690), (2512, 25160), (2516, 25120), (2669, 23680), (2720, 23236), (2960, 21352), (3140, 20128), (3145, 20096), (4736, 13345), (5024, 12580), (5032, 12560), (5338, 11840), (5440, 11618), (5809, 10880), (5920, 10676), (6280, 10064), (6290, 10048)]