642675880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 1911029760

約数和(自身を除く): 1268353880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 53, 55, 56, 62, 70, 77, 88, 106, 110, 124, 127, 140, 154, 155, 212, 217, 220, 248, 254, 265, 280, 308, 310, 341, 371, 385, 424, 434, 440, 508, 530, 583, 616, 620, 635, 682, 742, 770, 868, 889, 1016, 1060, 1085, 1166, 1240, 1270, 1364, 1397, 1484, 1540, 1643, 1705, 1736, 1778, 1855, 2120, 2170, 2332, 2387, 2540, 2728, 2794, 2915, 2968, 3080, 3286, 3410, 3556, 3710, 3937, 4081, 4340, 4445, 4664, 4774, 5080, 5588, 5830, 6572, 6731, 6820, 6985, 7112, 7420, 7874, 8162, 8215, 8680, 8890, 9548, 9779, 11176, 11501, 11660, 11935, 13144, 13462, 13640, 13970, 14840, 15748, 16324, 16430, 17780, 18073, 19096, 19558, 19685, 20405, 23002, 23320, 23870, 26924, 27559, 27940, 31496, 32648, 32860, 33655, 35560, 36146, 39116, 39370, 40810, 43307, 46004, 47117, 47740, 48895, 53848, 55118, 55880, 57505, 65720, 67310, 72292, 74041, 78232, 78740, 81620, 86614, 90365, 92008, 94234, 95480, 97790, 110236, 115010, 126511, 134620, 137795, 144584, 148082, 157480, 163240, 173228, 180730, 188468, 195580, 208661, 216535, 220472, 230020, 235585, 253022, 269240, 275590, 296164, 303149, 346456, 361460, 370205, 376936, 391160, 417322, 433070, 460040, 471170, 506044, 518287, 551180, 592328, 606298, 632555, 722920, 740410, 834644, 866140, 942340, 1012088, 1036574, 1043305, 1102360, 1212596, 1265110, 1460627, 1480820, 1515745, 1669288, 1732280, 1884680, 2073148, 2086610, 2295271, 2425192, 2530220, 2591435, 2921254, 2961640, 3031490, 4146296, 4173220, 4590542, 5060440, 5182870, 5842508, 6062980, 7303135, 8346440, 9181084, 10365740, 11476355, 11685016, 12125960, 14606270, 16066897, 18362168, 20731480, 22952710, 29212540, 32133794, 45905420, 58425080, 64267588, 80334485, 91810840, 128535176, 160668970, 321337940, 642675880]

約数ペア:

[(1, 642675880), (2, 321337940), (4, 160668970), (5, 128535176), (7, 91810840), (8, 80334485), (10, 64267588), (11, 58425080), (14, 45905420), (20, 32133794), (22, 29212540), (28, 22952710), (31, 20731480), (35, 18362168), (40, 16066897), (44, 14606270), (53, 12125960), (55, 11685016), (56, 11476355), (62, 10365740), (70, 9181084), (77, 8346440), (88, 7303135), (106, 6062980), (110, 5842508), (124, 5182870), (127, 5060440), (140, 4590542), (154, 4173220), (155, 4146296), (212, 3031490), (217, 2961640), (220, 2921254), (248, 2591435), (254, 2530220), (265, 2425192), (280, 2295271), (308, 2086610), (310, 2073148), (341, 1884680), (371, 1732280), (385, 1669288), (424, 1515745), (434, 1480820), (440, 1460627), (508, 1265110), (530, 1212596), (583, 1102360), (616, 1043305), (620, 1036574), (635, 1012088), (682, 942340), (742, 866140), (770, 834644), (868, 740410), (889, 722920), (1016, 632555), (1060, 606298), (1085, 592328), (1166, 551180), (1240, 518287), (1270, 506044), (1364, 471170), (1397, 460040), (1484, 433070), (1540, 417322), (1643, 391160), (1705, 376936), (1736, 370205), (1778, 361460), (1855, 346456), (2120, 303149), (2170, 296164), (2332, 275590), (2387, 269240), (2540, 253022), (2728, 235585), (2794, 230020), (2915, 220472), (2968, 216535), (3080, 208661), (3286, 195580), (3410, 188468), (3556, 180730), (3710, 173228), (3937, 163240), (4081, 157480), (4340, 148082), (4445, 144584), (4664, 137795), (4774, 134620), (5080, 126511), (5588, 115010), (5830, 110236), (6572, 97790), (6731, 95480), (6820, 94234), (6985, 92008), (7112, 90365), (7420, 86614), (7874, 81620), (8162, 78740), (8215, 78232), (8680, 74041), (8890, 72292), (9548, 67310), (9779, 65720), (11176, 57505), (11501, 55880), (11660, 55118), (11935, 53848), (13144, 48895), (13462, 47740), (13640, 47117), (13970, 46004), (14840, 43307), (15748, 40810), (16324, 39370), (16430, 39116), (17780, 36146), (18073, 35560), (19096, 33655), (19558, 32860), (19685, 32648), (20405, 31496), (23002, 27940), (23320, 27559), (23870, 26924)]