291724680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{187003}}^1$

素因数の和:187030

約数の個数: 64

約数和(自身を含む): 942500160

約数和(自身を除く): 650775480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 187003, 374006, 561009, 748012, 935015, 1122018, 1496024, 1870030, 2244036, 2431039, 2805045, 3740060, 4488072, 4862078, 5610090, 7293117, 7480120, 9724156, 11220180, 12155195, 14586234, 19448312, 22440360, 24310390, 29172468, 36465585, 48620780, 58344936, 72931170, 97241560, 145862340, 291724680]

約数ペア:

[(1, 291724680), (2, 145862340), (3, 97241560), (4, 72931170), (5, 58344936), (6, 48620780), (8, 36465585), (10, 29172468), (12, 24310390), (13, 22440360), (15, 19448312), (20, 14586234), (24, 12155195), (26, 11220180), (30, 9724156), (39, 7480120), (40, 7293117), (52, 5610090), (60, 4862078), (65, 4488072), (78, 3740060), (104, 2805045), (120, 2431039), (130, 2244036), (156, 1870030), (195, 1496024), (260, 1122018), (312, 935015), (390, 748012), (520, 561009), (780, 374006), (1560, 187003)]