20826809100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{61}}^2\times {\mathrm{691}}^1$

素因数の和:839

約数の個数: 270

約数和(自身を含む): 68736519852

約数和(自身を除く): 47909710752

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 61, 75, 81, 90, 100, 108, 122, 135, 150, 162, 180, 183, 225, 244, 270, 300, 305, 324, 366, 405, 450, 540, 549, 610, 675, 691, 732, 810, 900, 915, 1098, 1220, 1350, 1382, 1525, 1620, 1647, 1830, 2025, 2073, 2196, 2700, 2745, 2764, 3050, 3294, 3455, 3660, 3721, 4050, 4146, 4575, 4941, 5490, 6100, 6219, 6588, 6910, 7442, 8100, 8235, 8292, 9150, 9882, 10365, 10980, 11163, 12438, 13725, 13820, 14884, 16470, 17275, 18300, 18605, 18657, 19764, 20730, 22326, 24705, 24876, 27450, 31095, 32940, 33489, 34550, 37210, 37314, 41175, 41460, 42151, 44652, 49410, 51825, 54900, 55815, 55971, 62190, 66978, 69100, 74420, 74628, 82350, 84302, 93025, 93285, 98820, 100467, 103650, 111630, 111942, 123525, 124380, 126453, 133956, 155475, 164700, 167445, 168604, 186050, 186570, 200934, 207300, 210755, 223260, 223884, 247050, 252906, 279075, 279855, 301401, 310950, 334890, 372100, 373140, 379359, 401868, 421510, 466425, 494100, 502335, 505812, 558150, 559710, 602802, 621900, 632265, 669780, 758718, 837225, 843020, 932850, 1004670, 1053775, 1116300, 1119420, 1138077, 1205604, 1264530, 1399275, 1507005, 1517436, 1674450, 1865700, 1896795, 2009340, 2107550, 2276154, 2511675, 2529060, 2571211, 2798550, 3014010, 3161325, 3348900, 3414231, 3793590, 4215100, 4552308, 5023350, 5142422, 5597100, 5690385, 6028020, 6322650, 6828462, 7535025, 7587180, 7713633, 9483975, 10046700, 10284844, 11380770, 12645300, 12856055, 13656924, 15070050, 15427266, 17071155, 18967950, 22761540, 23140899, 25712110, 28451925, 30140100, 30854532, 34142310, 37935900, 38568165, 46281798, 51424220, 56903850, 64280275, 68284620, 69422697, 77136330, 85355775, 92563596, 113807700, 115704495, 128560550, 138845394, 154272660, 170711550, 192840825, 208268091, 231408990, 257121100, 277690788, 341423100, 347113485, 385681650, 416536182, 462817980, 578522475, 694226970, 771363300, 833072364, 1041340455, 1157044950, 1388453940, 1735567425, 2082680910, 2314089900, 3471134850, 4165361820, 5206702275, 6942269700, 10413404550, 20826809100]

約数ペア:

[(1, 20826809100), (2, 10413404550), (3, 6942269700), (4, 5206702275), (5, 4165361820), (6, 3471134850), (9, 2314089900), (10, 2082680910), (12, 1735567425), (15, 1388453940), (18, 1157044950), (20, 1041340455), (25, 833072364), (27, 771363300), (30, 694226970), (36, 578522475), (45, 462817980), (50, 416536182), (54, 385681650), (60, 347113485), (61, 341423100), (75, 277690788), (81, 257121100), (90, 231408990), (100, 208268091), (108, 192840825), (122, 170711550), (135, 154272660), (150, 138845394), (162, 128560550), (180, 115704495), (183, 113807700), (225, 92563596), (244, 85355775), (270, 77136330), (300, 69422697), (305, 68284620), (324, 64280275), (366, 56903850), (405, 51424220), (450, 46281798), (540, 38568165), (549, 37935900), (610, 34142310), (675, 30854532), (691, 30140100), (732, 28451925), (810, 25712110), (900, 23140899), (915, 22761540), (1098, 18967950), (1220, 17071155), (1350, 15427266), (1382, 15070050), (1525, 13656924), (1620, 12856055), (1647, 12645300), (1830, 11380770), (2025, 10284844), (2073, 10046700), (2196, 9483975), (2700, 7713633), (2745, 7587180), (2764, 7535025), (3050, 6828462), (3294, 6322650), (3455, 6028020), (3660, 5690385), (3721, 5597100), (4050, 5142422), (4146, 5023350), (4575, 4552308), (4941, 4215100), (5490, 3793590), (6100, 3414231), (6219, 3348900), (6588, 3161325), (6910, 3014010), (7442, 2798550), (8100, 2571211), (8235, 2529060), (8292, 2511675), (9150, 2276154), (9882, 2107550), (10365, 2009340), (10980, 1896795), (11163, 1865700), (12438, 1674450), (13725, 1517436), (13820, 1507005), (14884, 1399275), (16470, 1264530), (17275, 1205604), (18300, 1138077), (18605, 1119420), (18657, 1116300), (19764, 1053775), (20730, 1004670), (22326, 932850), (24705, 843020), (24876, 837225), (27450, 758718), (31095, 669780), (32940, 632265), (33489, 621900), (34550, 602802), (37210, 559710), (37314, 558150), (41175, 505812), (41460, 502335), (42151, 494100), (44652, 466425), (49410, 421510), (51825, 401868), (54900, 379359), (55815, 373140), (55971, 372100), (62190, 334890), (66978, 310950), (69100, 301401), (74420, 279855), (74628, 279075), (82350, 252906), (84302, 247050), (93025, 223884), (93285, 223260), (98820, 210755), (100467, 207300), (103650, 200934), (111630, 186570), (111942, 186050), (123525, 168604), (124380, 167445), (126453, 164700), (133956, 155475)]