18678543520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1282867}}^1$

素因数の和:1282902

約数の個数: 96

約数和(自身を含む): 54311499648

約数和(自身を除く): 35632956128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 1282867, 2565734, 5131468, 6414335, 8980069, 10262936, 12828670, 16677271, 17960138, 20525872, 25657340, 33354542, 35920276, 41051744, 44900345, 51314680, 66709084, 71840552, 83386355, 89800690, 102629360, 116740897, 133418168, 143681104, 166772710, 179601380, 205258720, 233481794, 266836336, 287362208, 333545420, 359202760, 466963588, 533672672, 583704485, 667090840, 718405520, 933927176, 1167408970, 1334181680, 1436811040, 1867854352, 2334817940, 2668363360, 3735708704, 4669635880, 9339271760, 18678543520]

約数ペア:

[(1, 18678543520), (2, 9339271760), (4, 4669635880), (5, 3735708704), (7, 2668363360), (8, 2334817940), (10, 1867854352), (13, 1436811040), (14, 1334181680), (16, 1167408970), (20, 933927176), (26, 718405520), (28, 667090840), (32, 583704485), (35, 533672672), (40, 466963588), (52, 359202760), (56, 333545420), (65, 287362208), (70, 266836336), (80, 233481794), (91, 205258720), (104, 179601380), (112, 166772710), (130, 143681104), (140, 133418168), (160, 116740897), (182, 102629360), (208, 89800690), (224, 83386355), (260, 71840552), (280, 66709084), (364, 51314680), (416, 44900345), (455, 41051744), (520, 35920276), (560, 33354542), (728, 25657340), (910, 20525872), (1040, 17960138), (1120, 16677271), (1456, 12828670), (1820, 10262936), (2080, 8980069), (2912, 6414335), (3640, 5131468), (7280, 2565734), (14560, 1282867)]