90020280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3457}}^1$

素因数の和:3509

約数の個数: 128

約数和(自身を含む): 318689280

約数和(自身を除く): 228669000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3457, 3720, 4340, 5208, 6510, 6914, 8680, 10371, 13020, 13828, 17285, 20742, 24199, 26040, 27656, 34570, 41484, 48398, 51855, 69140, 72597, 82968, 96796, 103710, 107167, 120995, 138280, 145194, 193592, 207420, 214334, 241990, 290388, 321501, 362985, 414840, 428668, 483980, 535835, 580776, 643002, 725970, 750169, 857336, 967960, 1071670, 1286004, 1451940, 1500338, 1607505, 2143340, 2250507, 2572008, 2903880, 3000676, 3215010, 3750845, 4286680, 4501014, 6001352, 6430020, 7501690, 9002028, 11252535, 12860040, 15003380, 18004056, 22505070, 30006760, 45010140, 90020280]

約数ペア:

[(1, 90020280), (2, 45010140), (3, 30006760), (4, 22505070), (5, 18004056), (6, 15003380), (7, 12860040), (8, 11252535), (10, 9002028), (12, 7501690), (14, 6430020), (15, 6001352), (20, 4501014), (21, 4286680), (24, 3750845), (28, 3215010), (30, 3000676), (31, 2903880), (35, 2572008), (40, 2250507), (42, 2143340), (56, 1607505), (60, 1500338), (62, 1451940), (70, 1286004), (84, 1071670), (93, 967960), (105, 857336), (120, 750169), (124, 725970), (140, 643002), (155, 580776), (168, 535835), (186, 483980), (210, 428668), (217, 414840), (248, 362985), (280, 321501), (310, 290388), (372, 241990), (420, 214334), (434, 207420), (465, 193592), (620, 145194), (651, 138280), (744, 120995), (840, 107167), (868, 103710), (930, 96796), (1085, 82968), (1240, 72597), (1302, 69140), (1736, 51855), (1860, 48398), (2170, 41484), (2604, 34570), (3255, 27656), (3457, 26040), (3720, 24199), (4340, 20742), (5208, 17285), (6510, 13828), (6914, 13020), (8680, 10371)]