1300446640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{9613}}^1$

素因数の和:9734

約数の個数: 80

約数和(自身を含む): 3218767200

約数和(自身を除く): 1918320560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 3382, 3560, 6764, 7120, 8455, 9613, 13528, 16910, 19226, 27056, 33820, 38452, 48065, 67640, 76904, 96130, 135280, 153808, 182647, 192260, 365294, 384520, 730588, 769040, 855557, 913235, 1461176, 1711114, 1826470, 2922352, 3422228, 3652940, 4277785, 6844456, 7305880, 8555570, 13688912, 14611760, 16255583, 17111140, 32511166, 34222280, 65022332, 68444560, 81277915, 130044664, 162555830, 260089328, 325111660, 650223320, 1300446640]

約数ペア:

[(1, 1300446640), (2, 650223320), (4, 325111660), (5, 260089328), (8, 162555830), (10, 130044664), (16, 81277915), (19, 68444560), (20, 65022332), (38, 34222280), (40, 32511166), (76, 17111140), (80, 16255583), (89, 14611760), (95, 13688912), (152, 8555570), (178, 7305880), (190, 6844456), (304, 4277785), (356, 3652940), (380, 3422228), (445, 2922352), (712, 1826470), (760, 1711114), (890, 1461176), (1424, 913235), (1520, 855557), (1691, 769040), (1780, 730588), (3382, 384520), (3560, 365294), (6764, 192260), (7120, 182647), (8455, 153808), (9613, 135280), (13528, 96130), (16910, 76904), (19226, 67640), (27056, 48065), (33820, 38452)]