81263400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 276410880

約数和(自身を除く): 195147480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 31, 34, 40, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 120, 124, 136, 150, 155, 170, 186, 200, 204, 248, 255, 257, 300, 310, 340, 372, 408, 425, 465, 510, 514, 527, 600, 620, 680, 744, 771, 775, 850, 930, 1020, 1028, 1054, 1240, 1275, 1285, 1542, 1550, 1581, 1700, 1860, 2040, 2056, 2108, 2325, 2550, 2570, 2635, 3084, 3100, 3162, 3400, 3720, 3855, 4216, 4369, 4650, 5100, 5140, 5270, 6168, 6200, 6324, 6425, 7710, 7905, 7967, 8738, 9300, 10200, 10280, 10540, 12648, 12850, 13107, 13175, 15420, 15810, 15934, 17476, 18600, 19275, 21080, 21845, 23901, 25700, 26214, 26350, 30840, 31620, 31868, 34952, 38550, 39525, 39835, 43690, 47802, 51400, 52428, 52700, 63240, 63736, 65535, 77100, 79050, 79670, 87380, 95604, 104856, 105400, 109225, 119505, 131070, 135439, 154200, 158100, 159340, 174760, 191208, 199175, 218450, 239010, 262140, 270878, 316200, 318680, 327675, 398350, 406317, 436900, 478020, 524280, 541756, 597525, 655350, 677195, 796700, 812634, 873800, 956040, 1083512, 1195050, 1310700, 1354390, 1593400, 1625268, 2031585, 2390100, 2621400, 2708780, 3250536, 3385975, 4063170, 4780200, 5417560, 6771950, 8126340, 10157925, 13543900, 16252680, 20315850, 27087800, 40631700, 81263400]

約数ペア:

[(1, 81263400), (2, 40631700), (3, 27087800), (4, 20315850), (5, 16252680), (6, 13543900), (8, 10157925), (10, 8126340), (12, 6771950), (15, 5417560), (17, 4780200), (20, 4063170), (24, 3385975), (25, 3250536), (30, 2708780), (31, 2621400), (34, 2390100), (40, 2031585), (50, 1625268), (51, 1593400), (60, 1354390), (62, 1310700), (68, 1195050), (75, 1083512), (85, 956040), (93, 873800), (100, 812634), (102, 796700), (120, 677195), (124, 655350), (136, 597525), (150, 541756), (155, 524280), (170, 478020), (186, 436900), (200, 406317), (204, 398350), (248, 327675), (255, 318680), (257, 316200), (300, 270878), (310, 262140), (340, 239010), (372, 218450), (408, 199175), (425, 191208), (465, 174760), (510, 159340), (514, 158100), (527, 154200), (600, 135439), (620, 131070), (680, 119505), (744, 109225), (771, 105400), (775, 104856), (850, 95604), (930, 87380), (1020, 79670), (1028, 79050), (1054, 77100), (1240, 65535), (1275, 63736), (1285, 63240), (1542, 52700), (1550, 52428), (1581, 51400), (1700, 47802), (1860, 43690), (2040, 39835), (2056, 39525), (2108, 38550), (2325, 34952), (2550, 31868), (2570, 31620), (2635, 30840), (3084, 26350), (3100, 26214), (3162, 25700), (3400, 23901), (3720, 21845), (3855, 21080), (4216, 19275), (4369, 18600), (4650, 17476), (5100, 15934), (5140, 15810), (5270, 15420), (6168, 13175), (6200, 13107), (6324, 12850), (6425, 12648), (7710, 10540), (7905, 10280), (7967, 10200), (8738, 9300)]