725657660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 1956864000

約数和(自身を除く): 1231206340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 79, 91, 98, 103, 130, 140, 158, 182, 196, 206, 245, 260, 316, 343, 364, 395, 412, 455, 490, 515, 553, 637, 686, 721, 790, 910, 980, 1027, 1030, 1106, 1274, 1339, 1372, 1442, 1580, 1715, 1820, 2054, 2060, 2212, 2548, 2678, 2765, 2884, 3185, 3430, 3605, 3871, 4108, 4459, 5047, 5135, 5356, 5530, 6370, 6695, 6860, 7189, 7210, 7742, 8137, 8918, 9373, 10094, 10270, 11060, 12740, 13390, 14378, 14420, 15484, 16274, 17836, 18746, 19355, 20188, 20540, 22295, 25235, 26780, 27097, 28756, 32548, 35329, 35945, 37492, 38710, 40685, 44590, 46865, 50323, 50470, 54194, 56959, 65611, 70658, 71890, 77420, 81370, 89180, 93730, 100646, 100940, 105781, 108388, 113918, 131222, 135485, 141316, 143780, 162740, 176645, 187460, 201292, 211562, 227836, 251615, 262444, 270970, 284795, 328055, 352261, 353290, 398713, 423124, 459277, 503230, 528905, 541940, 569590, 656110, 704522, 706580, 740467, 797426, 918554, 1006460, 1057810, 1139180, 1312220, 1409044, 1480934, 1594852, 1761305, 1837108, 1993565, 2115620, 2296385, 2790991, 2961868, 3522610, 3702335, 3987130, 4592770, 5183269, 5581982, 7045220, 7404670, 7974260, 9185540, 10366538, 11163964, 13954955, 14809340, 20733076, 25916345, 27909910, 36282883, 51832690, 55819820, 72565766, 103665380, 145131532, 181414415, 362828830, 725657660]

約数ペア:

[(1, 725657660), (2, 362828830), (4, 181414415), (5, 145131532), (7, 103665380), (10, 72565766), (13, 55819820), (14, 51832690), (20, 36282883), (26, 27909910), (28, 25916345), (35, 20733076), (49, 14809340), (52, 13954955), (65, 11163964), (70, 10366538), (79, 9185540), (91, 7974260), (98, 7404670), (103, 7045220), (130, 5581982), (140, 5183269), (158, 4592770), (182, 3987130), (196, 3702335), (206, 3522610), (245, 2961868), (260, 2790991), (316, 2296385), (343, 2115620), (364, 1993565), (395, 1837108), (412, 1761305), (455, 1594852), (490, 1480934), (515, 1409044), (553, 1312220), (637, 1139180), (686, 1057810), (721, 1006460), (790, 918554), (910, 797426), (980, 740467), (1027, 706580), (1030, 704522), (1106, 656110), (1274, 569590), (1339, 541940), (1372, 528905), (1442, 503230), (1580, 459277), (1715, 423124), (1820, 398713), (2054, 353290), (2060, 352261), (2212, 328055), (2548, 284795), (2678, 270970), (2765, 262444), (2884, 251615), (3185, 227836), (3430, 211562), (3605, 201292), (3871, 187460), (4108, 176645), (4459, 162740), (5047, 143780), (5135, 141316), (5356, 135485), (5530, 131222), (6370, 113918), (6695, 108388), (6860, 105781), (7189, 100940), (7210, 100646), (7742, 93730), (8137, 89180), (8918, 81370), (9373, 77420), (10094, 71890), (10270, 70658), (11060, 65611), (12740, 56959), (13390, 54194), (14378, 50470), (14420, 50323), (15484, 46865), (16274, 44590), (17836, 40685), (18746, 38710), (19355, 37492), (20188, 35945), (20540, 35329), (22295, 32548), (25235, 28756), (26780, 27097)]