90720840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6353}}^1$

素因数の和:6391

約数の個数: 128

約数和(自身を含む): 329391360

約数和(自身を除く): 238670520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 6353, 7140, 12706, 14280, 19059, 25412, 31765, 38118, 44471, 50824, 63530, 76236, 88942, 95295, 108001, 127060, 133413, 152472, 177884, 190590, 216002, 222355, 254120, 266826, 324003, 355768, 381180, 432004, 444710, 533652, 540005, 648006, 667065, 756007, 762360, 864008, 889420, 1067304, 1080010, 1296012, 1334130, 1512014, 1620015, 1778840, 2160020, 2268021, 2592024, 2668260, 3024028, 3240030, 3780035, 4320040, 4536042, 5336520, 6048056, 6480060, 7560070, 9072084, 11340105, 12960120, 15120140, 18144168, 22680210, 30240280, 45360420, 90720840]

約数ペア:

[(1, 90720840), (2, 45360420), (3, 30240280), (4, 22680210), (5, 18144168), (6, 15120140), (7, 12960120), (8, 11340105), (10, 9072084), (12, 7560070), (14, 6480060), (15, 6048056), (17, 5336520), (20, 4536042), (21, 4320040), (24, 3780035), (28, 3240030), (30, 3024028), (34, 2668260), (35, 2592024), (40, 2268021), (42, 2160020), (51, 1778840), (56, 1620015), (60, 1512014), (68, 1334130), (70, 1296012), (84, 1080010), (85, 1067304), (102, 889420), (105, 864008), (119, 762360), (120, 756007), (136, 667065), (140, 648006), (168, 540005), (170, 533652), (204, 444710), (210, 432004), (238, 381180), (255, 355768), (280, 324003), (340, 266826), (357, 254120), (408, 222355), (420, 216002), (476, 190590), (510, 177884), (595, 152472), (680, 133413), (714, 127060), (840, 108001), (952, 95295), (1020, 88942), (1190, 76236), (1428, 63530), (1785, 50824), (2040, 44471), (2380, 38118), (2856, 31765), (3570, 25412), (4760, 19059), (6353, 14280), (7140, 12706)]