320839260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1876

約数の個数: 144

約数和(自身を含む): 1062744480

約数和(自身を除く): 741905220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 490, 588, 610, 732, 735, 854, 915, 980, 1220, 1281, 1470, 1708, 1789, 1830, 2135, 2562, 2940, 2989, 3578, 3660, 4270, 5124, 5367, 5978, 6405, 7156, 8540, 8945, 8967, 10734, 11956, 12523, 12810, 14945, 17890, 17934, 21468, 25046, 25620, 26835, 29890, 35780, 35868, 37569, 44835, 50092, 53670, 59780, 62615, 75138, 87661, 89670, 107340, 109129, 125230, 150276, 175322, 179340, 187845, 218258, 250460, 262983, 327387, 350644, 375690, 436516, 438305, 525966, 545645, 654774, 751380, 763903, 876610, 1051932, 1091290, 1309548, 1314915, 1527806, 1636935, 1753220, 2182580, 2291709, 2629830, 3055612, 3273870, 3819515, 4583418, 5259660, 5347321, 6547740, 7639030, 9166836, 10694642, 11458545, 15278060, 16041963, 21389284, 22917090, 26736605, 32083926, 45834180, 53473210, 64167852, 80209815, 106946420, 160419630, 320839260]

約数ペア:

[(1, 320839260), (2, 160419630), (3, 106946420), (4, 80209815), (5, 64167852), (6, 53473210), (7, 45834180), (10, 32083926), (12, 26736605), (14, 22917090), (15, 21389284), (20, 16041963), (21, 15278060), (28, 11458545), (30, 10694642), (35, 9166836), (42, 7639030), (49, 6547740), (60, 5347321), (61, 5259660), (70, 4583418), (84, 3819515), (98, 3273870), (105, 3055612), (122, 2629830), (140, 2291709), (147, 2182580), (183, 1753220), (196, 1636935), (210, 1527806), (244, 1314915), (245, 1309548), (294, 1091290), (305, 1051932), (366, 876610), (420, 763903), (427, 751380), (490, 654774), (588, 545645), (610, 525966), (732, 438305), (735, 436516), (854, 375690), (915, 350644), (980, 327387), (1220, 262983), (1281, 250460), (1470, 218258), (1708, 187845), (1789, 179340), (1830, 175322), (2135, 150276), (2562, 125230), (2940, 109129), (2989, 107340), (3578, 89670), (3660, 87661), (4270, 75138), (5124, 62615), (5367, 59780), (5978, 53670), (6405, 50092), (7156, 44835), (8540, 37569), (8945, 35868), (8967, 35780), (10734, 29890), (11956, 26835), (12523, 25620), (12810, 25046), (14945, 21468), (17890, 17934)]