307919640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21563}}^1$

素因数の和:21601

約数の個数: 128

約数和(自身を含む): 1117877760

約数和(自身を除く): 809958120

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, 7140, 14280, 21563, 43126, 64689, 86252, 107815, 129378, 150941, 172504, 215630, 258756, 301882, 323445, 366571, 431260, 452823, 517512, 603764, 646890, 733142, 754705, 862520, 905646, 1099713, 1207528, 1293780, 1466284, 1509410, 1811292, 1832855, 2199426, 2264115, 2565997, 2587560, 2932568, 3018820, 3622584, 3665710, 4398852, 4528230, 5131994, 5498565, 6037640, 7331420, 7697991, 8797704, 9056460, 10263988, 10997130, 12829985, 14662840, 15395982, 18112920, 20527976, 21994260, 25659970, 30791964, 38489955, 43988520, 51319940, 61583928, 76979910, 102639880, 153959820, 307919640]

約数ペア:

[(1, 307919640), (2, 153959820), (3, 102639880), (4, 76979910), (5, 61583928), (6, 51319940), (7, 43988520), (8, 38489955), (10, 30791964), (12, 25659970), (14, 21994260), (15, 20527976), (17, 18112920), (20, 15395982), (21, 14662840), (24, 12829985), (28, 10997130), (30, 10263988), (34, 9056460), (35, 8797704), (40, 7697991), (42, 7331420), (51, 6037640), (56, 5498565), (60, 5131994), (68, 4528230), (70, 4398852), (84, 3665710), (85, 3622584), (102, 3018820), (105, 2932568), (119, 2587560), (120, 2565997), (136, 2264115), (140, 2199426), (168, 1832855), (170, 1811292), (204, 1509410), (210, 1466284), (238, 1293780), (255, 1207528), (280, 1099713), (340, 905646), (357, 862520), (408, 754705), (420, 733142), (476, 646890), (510, 603764), (595, 517512), (680, 452823), (714, 431260), (840, 366571), (952, 323445), (1020, 301882), (1190, 258756), (1428, 215630), (1785, 172504), (2040, 150941), (2380, 129378), (2856, 107815), (3570, 86252), (4760, 64689), (7140, 43126), (14280, 21563)]