1245742320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305329}}^1$

素因数の和:305362

約数の個数: 80

約数和(自身を含む): 4088979360

約数和(自身を除く): 2843237040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 305329, 610658, 915987, 1221316, 1526645, 1831974, 2442632, 3053290, 3663948, 4579935, 4885264, 5190593, 6106580, 7327896, 9159870, 10381186, 12213160, 14655792, 15571779, 18319740, 20762372, 24426320, 25952965, 31143558, 36639480, 41524744, 51905930, 62287116, 73278960, 77858895, 83049488, 103811860, 124574232, 155717790, 207623720, 249148464, 311435580, 415247440, 622871160, 1245742320]

約数ペア:

[(1, 1245742320), (2, 622871160), (3, 415247440), (4, 311435580), (5, 249148464), (6, 207623720), (8, 155717790), (10, 124574232), (12, 103811860), (15, 83049488), (16, 77858895), (17, 73278960), (20, 62287116), (24, 51905930), (30, 41524744), (34, 36639480), (40, 31143558), (48, 25952965), (51, 24426320), (60, 20762372), (68, 18319740), (80, 15571779), (85, 14655792), (102, 12213160), (120, 10381186), (136, 9159870), (170, 7327896), (204, 6106580), (240, 5190593), (255, 4885264), (272, 4579935), (340, 3663948), (408, 3053290), (510, 2442632), (680, 1831974), (816, 1526645), (1020, 1221316), (1360, 915987), (2040, 610658), (4080, 305329)]