1283765490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21911}}^1$

素因数の和:21965

約数の個数: 128

約数和(自身を含む): 4038819840

約数和(自身を除く): 2755054350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 378, 434, 465, 558, 630, 651, 837, 930, 945, 1085, 1302, 1395, 1674, 1890, 1953, 2170, 2790, 3255, 3906, 4185, 5859, 6510, 8370, 9765, 11718, 19530, 21911, 29295, 43822, 58590, 65733, 109555, 131466, 153377, 197199, 219110, 306754, 328665, 394398, 460131, 591597, 657330, 679241, 766885, 920262, 985995, 1183194, 1358482, 1380393, 1533770, 1971990, 2037723, 2300655, 2760786, 2957985, 3396205, 4075446, 4141179, 4601310, 4754687, 5915970, 6113169, 6792410, 6901965, 8282358, 9509374, 10188615, 12226338, 13803930, 14264061, 18339507, 20377230, 20705895, 23773435, 28528122, 30565845, 36679014, 41411790, 42792183, 47546870, 61131690, 71320305, 85584366, 91697535, 128376549, 142640610, 183395070, 213960915, 256753098, 427921830, 641882745, 1283765490]

約数ペア:

[(1, 1283765490), (2, 641882745), (3, 427921830), (5, 256753098), (6, 213960915), (7, 183395070), (9, 142640610), (10, 128376549), (14, 91697535), (15, 85584366), (18, 71320305), (21, 61131690), (27, 47546870), (30, 42792183), (31, 41411790), (35, 36679014), (42, 30565845), (45, 28528122), (54, 23773435), (62, 20705895), (63, 20377230), (70, 18339507), (90, 14264061), (93, 13803930), (105, 12226338), (126, 10188615), (135, 9509374), (155, 8282358), (186, 6901965), (189, 6792410), (210, 6113169), (217, 5915970), (270, 4754687), (279, 4601310), (310, 4141179), (315, 4075446), (378, 3396205), (434, 2957985), (465, 2760786), (558, 2300655), (630, 2037723), (651, 1971990), (837, 1533770), (930, 1380393), (945, 1358482), (1085, 1183194), (1302, 985995), (1395, 920262), (1674, 766885), (1890, 679241), (1953, 657330), (2170, 591597), (2790, 460131), (3255, 394398), (3906, 328665), (4185, 306754), (5859, 219110), (6510, 197199), (8370, 153377), (9765, 131466), (11718, 109555), (19530, 65733), (21911, 58590), (29295, 43822)]