242880540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1249}}^1$

素因数の和:1731

約数の個数: 96

約数和(自身を含む): 779520000

約数和(自身を除く): 536639460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 463, 926, 1249, 1389, 1852, 2315, 2498, 2778, 3241, 3747, 4630, 4996, 5556, 6245, 6482, 6945, 7494, 8743, 9260, 9723, 12490, 12964, 13890, 14988, 16205, 17486, 18735, 19446, 24980, 26229, 27780, 32410, 34972, 37470, 38892, 43715, 48615, 52458, 64820, 74940, 87430, 97230, 104916, 131145, 174860, 194460, 262290, 524580, 578287, 1156574, 1734861, 2313148, 2891435, 3469722, 4048009, 5782870, 6939444, 8096018, 8674305, 11565740, 12144027, 16192036, 17348610, 20240045, 24288054, 34697220, 40480090, 48576108, 60720135, 80960180, 121440270, 242880540]

約数ペア:

[(1, 242880540), (2, 121440270), (3, 80960180), (4, 60720135), (5, 48576108), (6, 40480090), (7, 34697220), (10, 24288054), (12, 20240045), (14, 17348610), (15, 16192036), (20, 12144027), (21, 11565740), (28, 8674305), (30, 8096018), (35, 6939444), (42, 5782870), (60, 4048009), (70, 3469722), (84, 2891435), (105, 2313148), (140, 1734861), (210, 1156574), (420, 578287), (463, 524580), (926, 262290), (1249, 194460), (1389, 174860), (1852, 131145), (2315, 104916), (2498, 97230), (2778, 87430), (3241, 74940), (3747, 64820), (4630, 52458), (4996, 48615), (5556, 43715), (6245, 38892), (6482, 37470), (6945, 34972), (7494, 32410), (8743, 27780), (9260, 26229), (9723, 24980), (12490, 19446), (12964, 18735), (13890, 17486), (14988, 16205)]