281896551720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{468049}}^1$

素因数の和:468312

約数の個数: 192

約数和(自身を含む): 1051427520000

約数和(自身を除く): 769530968280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 239, 252, 280, 315, 360, 420, 478, 504, 630, 717, 840, 956, 1195, 1260, 1434, 1673, 1912, 2151, 2390, 2520, 2868, 3346, 3585, 4302, 4780, 5019, 5736, 6692, 7170, 8365, 8604, 9560, 10038, 10755, 13384, 14340, 15057, 16730, 17208, 20076, 21510, 25095, 28680, 30114, 33460, 40152, 43020, 50190, 60228, 66920, 75285, 86040, 100380, 120456, 150570, 200760, 301140, 468049, 602280, 936098, 1404147, 1872196, 2340245, 2808294, 3276343, 3744392, 4212441, 4680490, 5616588, 6552686, 7020735, 8424882, 9360980, 9829029, 11233176, 13105372, 14041470, 16381715, 16849764, 18721960, 19658058, 21062205, 26210744, 28082940, 29487087, 32763430, 33699528, 39316116, 42124410, 49145145, 56165880, 58974174, 65526860, 78632232, 84248820, 98290290, 111863711, 117948348, 131053720, 147435435, 168497640, 196580580, 223727422, 235896696, 294870870, 335591133, 393161160, 447454844, 559318555, 589741740, 671182266, 783045977, 894909688, 1006773399, 1118637110, 1179483480, 1342364532, 1566091954, 1677955665, 2013546798, 2237274220, 2349137931, 2684729064, 3132183908, 3355911330, 3915229885, 4027093596, 4474548440, 4698275862, 5033866995, 6264367816, 6711822660, 7047413793, 7830459770, 8054187192, 9396551724, 10067733990, 11745689655, 13423645320, 14094827586, 15660919540, 18793103448, 20135467980, 23491379310, 28189655172, 31321839080, 35237068965, 40270935960, 46982758620, 56379310344, 70474137930, 93965517240, 140948275860, 281896551720]

約数ペア:

[(1, 281896551720), (2, 140948275860), (3, 93965517240), (4, 70474137930), (5, 56379310344), (6, 46982758620), (7, 40270935960), (8, 35237068965), (9, 31321839080), (10, 28189655172), (12, 23491379310), (14, 20135467980), (15, 18793103448), (18, 15660919540), (20, 14094827586), (21, 13423645320), (24, 11745689655), (28, 10067733990), (30, 9396551724), (35, 8054187192), (36, 7830459770), (40, 7047413793), (42, 6711822660), (45, 6264367816), (56, 5033866995), (60, 4698275862), (63, 4474548440), (70, 4027093596), (72, 3915229885), (84, 3355911330), (90, 3132183908), (105, 2684729064), (120, 2349137931), (126, 2237274220), (140, 2013546798), (168, 1677955665), (180, 1566091954), (210, 1342364532), (239, 1179483480), (252, 1118637110), (280, 1006773399), (315, 894909688), (360, 783045977), (420, 671182266), (478, 589741740), (504, 559318555), (630, 447454844), (717, 393161160), (840, 335591133), (956, 294870870), (1195, 235896696), (1260, 223727422), (1434, 196580580), (1673, 168497640), (1912, 147435435), (2151, 131053720), (2390, 117948348), (2520, 111863711), (2868, 98290290), (3346, 84248820), (3585, 78632232), (4302, 65526860), (4780, 58974174), (5019, 56165880), (5736, 49145145), (6692, 42124410), (7170, 39316116), (8365, 33699528), (8604, 32763430), (9560, 29487087), (10038, 28082940), (10755, 26210744), (13384, 21062205), (14340, 19658058), (15057, 18721960), (16730, 16849764), (17208, 16381715), (20076, 14041470), (21510, 13105372), (25095, 11233176), (28680, 9829029), (30114, 9360980), (33460, 8424882), (40152, 7020735), (43020, 6552686), (50190, 5616588), (60228, 4680490), (66920, 4212441), (75285, 3744392), (86040, 3276343), (100380, 2808294), (120456, 2340245), (150570, 1872196), (200760, 1404147), (301140, 936098), (468049, 602280)]