131020680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2639

約数の個数: 128

約数和(自身を含む): 456756480

約数和(自身を除く): 325735800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2557, 2562, 3416, 3660, 4270, 5114, 5124, 6405, 7320, 7671, 8540, 10228, 10248, 12785, 12810, 15342, 17080, 17899, 20456, 25570, 25620, 30684, 35798, 38355, 51140, 51240, 53697, 61368, 71596, 76710, 89495, 102280, 107394, 143192, 153420, 155977, 178990, 214788, 268485, 306840, 311954, 357980, 429576, 467931, 536970, 623908, 715960, 779885, 935862, 1073940, 1091839, 1247816, 1559770, 1871724, 2147880, 2183678, 2339655, 3119540, 3275517, 3743448, 4367356, 4679310, 5459195, 6239080, 6551034, 8734712, 9358620, 10918390, 13102068, 16377585, 18717240, 21836780, 26204136, 32755170, 43673560, 65510340, 131020680]

約数ペア:

[(1, 131020680), (2, 65510340), (3, 43673560), (4, 32755170), (5, 26204136), (6, 21836780), (7, 18717240), (8, 16377585), (10, 13102068), (12, 10918390), (14, 9358620), (15, 8734712), (20, 6551034), (21, 6239080), (24, 5459195), (28, 4679310), (30, 4367356), (35, 3743448), (40, 3275517), (42, 3119540), (56, 2339655), (60, 2183678), (61, 2147880), (70, 1871724), (84, 1559770), (105, 1247816), (120, 1091839), (122, 1073940), (140, 935862), (168, 779885), (183, 715960), (210, 623908), (244, 536970), (280, 467931), (305, 429576), (366, 357980), (420, 311954), (427, 306840), (488, 268485), (610, 214788), (732, 178990), (840, 155977), (854, 153420), (915, 143192), (1220, 107394), (1281, 102280), (1464, 89495), (1708, 76710), (1830, 71596), (2135, 61368), (2440, 53697), (2557, 51240), (2562, 51140), (3416, 38355), (3660, 35798), (4270, 30684), (5114, 25620), (5124, 25570), (6405, 20456), (7320, 17899), (7671, 17080), (8540, 15342), (10228, 12810), (10248, 12785)]