290270640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2627

約数の個数: 160

約数和(自身を含む): 1004864256

約数和(自身を除く): 714593616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 430, 440, 473, 516, 528, 645, 660, 688, 860, 880, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2064, 2365, 2557, 2580, 2640, 2838, 3440, 3784, 4730, 5114, 5160, 5676, 7095, 7568, 7671, 9460, 10228, 10320, 11352, 12785, 14190, 15342, 18920, 20456, 22704, 25570, 28127, 28380, 30684, 37840, 38355, 40912, 51140, 56254, 56760, 61368, 76710, 84381, 102280, 109951, 112508, 113520, 122736, 140635, 153420, 168762, 204560, 219902, 225016, 281270, 306840, 329853, 337524, 421905, 439804, 450032, 549755, 562540, 613680, 659706, 675048, 843810, 879608, 1099510, 1125080, 1209461, 1319412, 1350096, 1649265, 1687620, 1759216, 2199020, 2250160, 2418922, 2638824, 3298530, 3375240, 3628383, 4398040, 4837844, 5277648, 6047305, 6597060, 6750480, 7256766, 8796080, 9675688, 12094610, 13194120, 14513532, 18141915, 19351376, 24189220, 26388240, 29027064, 36283830, 48378440, 58054128, 72567660, 96756880, 145135320, 290270640]

約数ペア:

[(1, 290270640), (2, 145135320), (3, 96756880), (4, 72567660), (5, 58054128), (6, 48378440), (8, 36283830), (10, 29027064), (11, 26388240), (12, 24189220), (15, 19351376), (16, 18141915), (20, 14513532), (22, 13194120), (24, 12094610), (30, 9675688), (33, 8796080), (40, 7256766), (43, 6750480), (44, 6597060), (48, 6047305), (55, 5277648), (60, 4837844), (66, 4398040), (80, 3628383), (86, 3375240), (88, 3298530), (110, 2638824), (120, 2418922), (129, 2250160), (132, 2199020), (165, 1759216), (172, 1687620), (176, 1649265), (215, 1350096), (220, 1319412), (240, 1209461), (258, 1125080), (264, 1099510), (330, 879608), (344, 843810), (430, 675048), (440, 659706), (473, 613680), (516, 562540), (528, 549755), (645, 450032), (660, 439804), (688, 421905), (860, 337524), (880, 329853), (946, 306840), (1032, 281270), (1290, 225016), (1320, 219902), (1419, 204560), (1720, 168762), (1892, 153420), (2064, 140635), (2365, 122736), (2557, 113520), (2580, 112508), (2640, 109951), (2838, 102280), (3440, 84381), (3784, 76710), (4730, 61368), (5114, 56760), (5160, 56254), (5676, 51140), (7095, 40912), (7568, 38355), (7671, 37840), (9460, 30684), (10228, 28380), (10320, 28127), (11352, 25570), (12785, 22704), (14190, 20456), (15342, 18920)]