248541720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1054

約数の個数: 192

約数和(自身を含む): 888433920

約数和(自身を除く): 639892200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 120, 129, 140, 147, 168, 172, 196, 210, 215, 245, 258, 280, 294, 301, 344, 392, 420, 430, 490, 516, 588, 602, 645, 735, 840, 860, 903, 980, 983, 1032, 1176, 1204, 1290, 1470, 1505, 1720, 1806, 1960, 1966, 2107, 2408, 2580, 2940, 2949, 3010, 3612, 3932, 4214, 4515, 4915, 5160, 5880, 5898, 6020, 6321, 6881, 7224, 7864, 8428, 9030, 9830, 10535, 11796, 12040, 12642, 13762, 14745, 16856, 18060, 19660, 20643, 21070, 23592, 25284, 27524, 29490, 31605, 34405, 36120, 39320, 41286, 42140, 42269, 48167, 50568, 55048, 58980, 63210, 68810, 82572, 84280, 84538, 96334, 103215, 117960, 126420, 126807, 137620, 144501, 165144, 169076, 192668, 206430, 211345, 240835, 252840, 253614, 275240, 289002, 295883, 338152, 385336, 412860, 422690, 481670, 507228, 578004, 591766, 634035, 722505, 825720, 845380, 887649, 963340, 1014456, 1156008, 1183532, 1268070, 1445010, 1479415, 1690760, 1775298, 1926680, 2071181, 2367064, 2536140, 2890020, 2958830, 3550596, 4142362, 4438245, 5072280, 5780040, 5917660, 6213543, 7101192, 8284724, 8876490, 10355905, 11835320, 12427086, 16569448, 17752980, 20711810, 24854172, 31067715, 35505960, 41423620, 49708344, 62135430, 82847240, 124270860, 248541720]

約数ペア:

[(1, 248541720), (2, 124270860), (3, 82847240), (4, 62135430), (5, 49708344), (6, 41423620), (7, 35505960), (8, 31067715), (10, 24854172), (12, 20711810), (14, 17752980), (15, 16569448), (20, 12427086), (21, 11835320), (24, 10355905), (28, 8876490), (30, 8284724), (35, 7101192), (40, 6213543), (42, 5917660), (43, 5780040), (49, 5072280), (56, 4438245), (60, 4142362), (70, 3550596), (84, 2958830), (86, 2890020), (98, 2536140), (105, 2367064), (120, 2071181), (129, 1926680), (140, 1775298), (147, 1690760), (168, 1479415), (172, 1445010), (196, 1268070), (210, 1183532), (215, 1156008), (245, 1014456), (258, 963340), (280, 887649), (294, 845380), (301, 825720), (344, 722505), (392, 634035), (420, 591766), (430, 578004), (490, 507228), (516, 481670), (588, 422690), (602, 412860), (645, 385336), (735, 338152), (840, 295883), (860, 289002), (903, 275240), (980, 253614), (983, 252840), (1032, 240835), (1176, 211345), (1204, 206430), (1290, 192668), (1470, 169076), (1505, 165144), (1720, 144501), (1806, 137620), (1960, 126807), (1966, 126420), (2107, 117960), (2408, 103215), (2580, 96334), (2940, 84538), (2949, 84280), (3010, 82572), (3612, 68810), (3932, 63210), (4214, 58980), (4515, 55048), (4915, 50568), (5160, 48167), (5880, 42269), (5898, 42140), (6020, 41286), (6321, 39320), (6881, 36120), (7224, 34405), (7864, 31605), (8428, 29490), (9030, 27524), (9830, 25284), (10535, 23592), (11796, 21070), (12040, 20643), (12642, 19660), (13762, 18060), (14745, 16856)]