20172534560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{11119}}^1$

素因数の和:11203

約数の個数: 192

約数和(自身を含む): 54475545600

約数和(自身を除く): 34303011040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 29, 32, 34, 40, 46, 58, 68, 80, 85, 92, 115, 116, 136, 145, 160, 170, 184, 230, 232, 272, 290, 340, 368, 391, 460, 464, 493, 544, 580, 667, 680, 736, 782, 920, 928, 986, 1160, 1334, 1360, 1564, 1840, 1955, 1972, 2320, 2465, 2668, 2720, 3128, 3335, 3680, 3910, 3944, 4640, 4930, 5336, 6256, 6670, 7820, 7888, 9860, 10672, 11119, 11339, 12512, 13340, 15640, 15776, 19720, 21344, 22238, 22678, 26680, 31280, 39440, 44476, 45356, 53360, 55595, 56695, 62560, 78880, 88952, 90712, 106720, 111190, 113390, 177904, 181424, 189023, 222380, 226780, 255737, 322451, 355808, 362848, 378046, 444760, 453560, 511474, 644902, 756092, 889520, 907120, 945115, 1022948, 1278685, 1289804, 1512184, 1612255, 1779040, 1814240, 1890230, 2045896, 2557370, 2579608, 3024368, 3224510, 3780460, 4091792, 4347529, 5114740, 5159216, 5481667, 6048736, 6449020, 7416373, 7560920, 8183584, 8695058, 10229480, 10318432, 10963334, 12898040, 14832746, 15121840, 17390116, 20458960, 21737645, 21926668, 25796080, 27408335, 29665492, 30243680, 34780232, 37081865, 40917920, 43475290, 43853336, 51592160, 54816670, 59330984, 69560464, 74163730, 86950580, 87706672, 109633340, 118661968, 126078341, 139120928, 148327460, 173901160, 175413344, 219266680, 237323936, 252156682, 296654920, 347802320, 438533360, 504313364, 593309840, 630391705, 695604640, 877066720, 1008626728, 1186619680, 1260783410, 2017253456, 2521566820, 4034506912, 5043133640, 10086267280, 20172534560]

約数ペア:

[(1, 20172534560), (2, 10086267280), (4, 5043133640), (5, 4034506912), (8, 2521566820), (10, 2017253456), (16, 1260783410), (17, 1186619680), (20, 1008626728), (23, 877066720), (29, 695604640), (32, 630391705), (34, 593309840), (40, 504313364), (46, 438533360), (58, 347802320), (68, 296654920), (80, 252156682), (85, 237323936), (92, 219266680), (115, 175413344), (116, 173901160), (136, 148327460), (145, 139120928), (160, 126078341), (170, 118661968), (184, 109633340), (230, 87706672), (232, 86950580), (272, 74163730), (290, 69560464), (340, 59330984), (368, 54816670), (391, 51592160), (460, 43853336), (464, 43475290), (493, 40917920), (544, 37081865), (580, 34780232), (667, 30243680), (680, 29665492), (736, 27408335), (782, 25796080), (920, 21926668), (928, 21737645), (986, 20458960), (1160, 17390116), (1334, 15121840), (1360, 14832746), (1564, 12898040), (1840, 10963334), (1955, 10318432), (1972, 10229480), (2320, 8695058), (2465, 8183584), (2668, 7560920), (2720, 7416373), (3128, 6449020), (3335, 6048736), (3680, 5481667), (3910, 5159216), (3944, 5114740), (4640, 4347529), (4930, 4091792), (5336, 3780460), (6256, 3224510), (6670, 3024368), (7820, 2579608), (7888, 2557370), (9860, 2045896), (10672, 1890230), (11119, 1814240), (11339, 1779040), (12512, 1612255), (13340, 1512184), (15640, 1289804), (15776, 1278685), (19720, 1022948), (21344, 945115), (22238, 907120), (22678, 889520), (26680, 756092), (31280, 644902), (39440, 511474), (44476, 453560), (45356, 444760), (53360, 378046), (55595, 362848), (56695, 355808), (62560, 322451), (78880, 255737), (88952, 226780), (90712, 222380), (106720, 189023), (111190, 181424), (113390, 177904)]