15679871980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{3191}}^1$

素因数の和:3479

約数の個数: 96

約数和(自身を含む): 35371445760

約数和(自身を除く): 19691573780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 193, 268, 335, 380, 386, 670, 772, 965, 1273, 1340, 1930, 2546, 3191, 3667, 3860, 5092, 6365, 6382, 7334, 12730, 12764, 12931, 14668, 15955, 18335, 25460, 25862, 31910, 36670, 51724, 60629, 63820, 64655, 73340, 121258, 129310, 213797, 242516, 245689, 258620, 303145, 427594, 491378, 606290, 615863, 855188, 982756, 1068985, 1212580, 1228445, 1231726, 2137970, 2456890, 2463452, 3079315, 4062143, 4275940, 4913780, 6158630, 8124286, 11701397, 12317260, 16248572, 20310715, 23402794, 40621430, 41262821, 46805588, 58506985, 81242860, 82525642, 117013970, 165051284, 206314105, 234027940, 412628210, 783993599, 825256420, 1567987198, 3135974396, 3919967995, 7839935990, 15679871980]

約数ペア:

[(1, 15679871980), (2, 7839935990), (4, 3919967995), (5, 3135974396), (10, 1567987198), (19, 825256420), (20, 783993599), (38, 412628210), (67, 234027940), (76, 206314105), (95, 165051284), (134, 117013970), (190, 82525642), (193, 81242860), (268, 58506985), (335, 46805588), (380, 41262821), (386, 40621430), (670, 23402794), (772, 20310715), (965, 16248572), (1273, 12317260), (1340, 11701397), (1930, 8124286), (2546, 6158630), (3191, 4913780), (3667, 4275940), (3860, 4062143), (5092, 3079315), (6365, 2463452), (6382, 2456890), (7334, 2137970), (12730, 1231726), (12764, 1228445), (12931, 1212580), (14668, 1068985), (15955, 982756), (18335, 855188), (25460, 615863), (25862, 606290), (31910, 491378), (36670, 427594), (51724, 303145), (60629, 258620), (63820, 245689), (64655, 242516), (73340, 213797), (121258, 129310)]