281216040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 256

約数和(自身を含む): 1045094400

約数和(自身を除く): 763878360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 47, 51, 56, 60, 68, 70, 84, 85, 94, 102, 105, 119, 120, 136, 140, 141, 168, 170, 188, 204, 210, 235, 238, 255, 280, 282, 329, 340, 357, 376, 408, 419, 420, 470, 476, 510, 564, 595, 658, 680, 705, 714, 799, 838, 840, 940, 952, 987, 1020, 1128, 1190, 1257, 1316, 1410, 1428, 1598, 1645, 1676, 1785, 1880, 1974, 2040, 2095, 2380, 2397, 2514, 2632, 2820, 2856, 2933, 3196, 3290, 3352, 3570, 3948, 3995, 4190, 4760, 4794, 4935, 5028, 5593, 5640, 5866, 6285, 6392, 6580, 7123, 7140, 7896, 7990, 8380, 8799, 9588, 9870, 10056, 11186, 11732, 11985, 12570, 13160, 14246, 14280, 14665, 15980, 16760, 16779, 17598, 19176, 19693, 19740, 21369, 22372, 23464, 23970, 25140, 27965, 28492, 29330, 31960, 33558, 35196, 35615, 39386, 39480, 42738, 43995, 44744, 47940, 49861, 50280, 55930, 56984, 58660, 59079, 67116, 70392, 71230, 78772, 83895, 85476, 87990, 95880, 98465, 99722, 106845, 111860, 117320, 118158, 134232, 137851, 142460, 149583, 157544, 167790, 170952, 175980, 196930, 199444, 213690, 223720, 236316, 249305, 275702, 284920, 295395, 299166, 334781, 335580, 351960, 393860, 398888, 413553, 427380, 472632, 498610, 551404, 590790, 598332, 669562, 671160, 689255, 747915, 787720, 827106, 854760, 997220, 1004343, 1102808, 1181580, 1196664, 1339124, 1378510, 1495830, 1654212, 1673905, 1994440, 2008686, 2067765, 2343467, 2363160, 2678248, 2757020, 2991660, 3308424, 3347810, 4017372, 4135530, 4686934, 5021715, 5514040, 5983320, 6695620, 7030401, 8034744, 8271060, 9373868, 10043430, 11717335, 13391240, 14060802, 16542120, 18747736, 20086860, 23434670, 28121604, 35152005, 40173720, 46869340, 56243208, 70304010, 93738680, 140608020, 281216040]

約数ペア:

[(1, 281216040), (2, 140608020), (3, 93738680), (4, 70304010), (5, 56243208), (6, 46869340), (7, 40173720), (8, 35152005), (10, 28121604), (12, 23434670), (14, 20086860), (15, 18747736), (17, 16542120), (20, 14060802), (21, 13391240), (24, 11717335), (28, 10043430), (30, 9373868), (34, 8271060), (35, 8034744), (40, 7030401), (42, 6695620), (47, 5983320), (51, 5514040), (56, 5021715), (60, 4686934), (68, 4135530), (70, 4017372), (84, 3347810), (85, 3308424), (94, 2991660), (102, 2757020), (105, 2678248), (119, 2363160), (120, 2343467), (136, 2067765), (140, 2008686), (141, 1994440), (168, 1673905), (170, 1654212), (188, 1495830), (204, 1378510), (210, 1339124), (235, 1196664), (238, 1181580), (255, 1102808), (280, 1004343), (282, 997220), (329, 854760), (340, 827106), (357, 787720), (376, 747915), (408, 689255), (419, 671160), (420, 669562), (470, 598332), (476, 590790), (510, 551404), (564, 498610), (595, 472632), (658, 427380), (680, 413553), (705, 398888), (714, 393860), (799, 351960), (838, 335580), (840, 334781), (940, 299166), (952, 295395), (987, 284920), (1020, 275702), (1128, 249305), (1190, 236316), (1257, 223720), (1316, 213690), (1410, 199444), (1428, 196930), (1598, 175980), (1645, 170952), (1676, 167790), (1785, 157544), (1880, 149583), (1974, 142460), (2040, 137851), (2095, 134232), (2380, 118158), (2397, 117320), (2514, 111860), (2632, 106845), (2820, 99722), (2856, 98465), (2933, 95880), (3196, 87990), (3290, 85476), (3352, 83895), (3570, 78772), (3948, 71230), (3995, 70392), (4190, 67116), (4760, 59079), (4794, 58660), (4935, 56984), (5028, 55930), (5593, 50280), (5640, 49861), (5866, 47940), (6285, 44744), (6392, 43995), (6580, 42738), (7123, 39480), (7140, 39386), (7896, 35615), (7990, 35196), (8380, 33558), (8799, 31960), (9588, 29330), (9870, 28492), (10056, 27965), (11186, 25140), (11732, 23970), (11985, 23464), (12570, 22372), (13160, 21369), (14246, 19740), (14280, 19693), (14665, 19176), (15980, 17598), (16760, 16779)]