235771640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:369

約数の個数: 128

約数和(自身を含む): 612360000

約数和(自身を除く): 376588360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 149, 170, 179, 221, 260, 298, 340, 358, 442, 520, 596, 680, 716, 745, 884, 895, 1105, 1192, 1432, 1490, 1768, 1790, 1937, 2210, 2327, 2533, 2980, 3043, 3580, 3874, 4420, 4654, 5066, 5960, 6086, 7160, 7748, 8840, 9308, 9685, 10132, 11635, 12172, 12665, 15215, 15496, 18616, 19370, 20264, 23270, 24344, 25330, 26671, 30430, 32929, 38740, 39559, 46540, 50660, 53342, 60860, 65858, 77480, 79118, 93080, 101320, 106684, 121720, 131716, 133355, 158236, 164645, 197795, 213368, 263432, 266710, 316472, 329290, 346723, 395590, 453407, 533420, 658580, 693446, 791180, 906814, 1066840, 1317160, 1386892, 1582360, 1733615, 1813628, 2267035, 2773784, 3467230, 3627256, 4534070, 5894291, 6934460, 9068140, 11788582, 13868920, 18136280, 23577164, 29471455, 47154328, 58942910, 117885820, 235771640]

約数ペア:

[(1, 235771640), (2, 117885820), (4, 58942910), (5, 47154328), (8, 29471455), (10, 23577164), (13, 18136280), (17, 13868920), (20, 11788582), (26, 9068140), (34, 6934460), (40, 5894291), (52, 4534070), (65, 3627256), (68, 3467230), (85, 2773784), (104, 2267035), (130, 1813628), (136, 1733615), (149, 1582360), (170, 1386892), (179, 1317160), (221, 1066840), (260, 906814), (298, 791180), (340, 693446), (358, 658580), (442, 533420), (520, 453407), (596, 395590), (680, 346723), (716, 329290), (745, 316472), (884, 266710), (895, 263432), (1105, 213368), (1192, 197795), (1432, 164645), (1490, 158236), (1768, 133355), (1790, 131716), (1937, 121720), (2210, 106684), (2327, 101320), (2533, 93080), (2980, 79118), (3043, 77480), (3580, 65858), (3874, 60860), (4420, 53342), (4654, 50660), (5066, 46540), (5960, 39559), (6086, 38740), (7160, 32929), (7748, 30430), (8840, 26671), (9308, 25330), (9685, 24344), (10132, 23270), (11635, 20264), (12172, 19370), (12665, 18616), (15215, 15496)]