28759920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 320

約数和(自身を含む): 115706880

約数和(自身を除く): 86946960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 48, 51, 53, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 102, 105, 106, 112, 114, 119, 120, 133, 136, 140, 152, 159, 168, 170, 190, 204, 210, 212, 228, 238, 240, 255, 265, 266, 272, 280, 285, 304, 318, 323, 336, 340, 357, 371, 380, 399, 408, 420, 424, 456, 476, 510, 530, 532, 560, 570, 595, 636, 646, 665, 680, 714, 742, 760, 795, 798, 816, 840, 848, 901, 912, 952, 969, 1007, 1020, 1060, 1064, 1113, 1140, 1190, 1272, 1292, 1330, 1360, 1428, 1484, 1520, 1590, 1596, 1615, 1680, 1785, 1802, 1855, 1904, 1938, 1995, 2014, 2040, 2120, 2128, 2226, 2261, 2280, 2380, 2544, 2584, 2660, 2703, 2856, 2968, 3021, 3180, 3192, 3230, 3570, 3604, 3710, 3876, 3990, 4028, 4080, 4240, 4452, 4505, 4522, 4560, 4760, 4845, 5035, 5168, 5320, 5406, 5565, 5712, 5936, 6042, 6307, 6360, 6384, 6460, 6783, 7049, 7140, 7208, 7420, 7752, 7980, 8056, 8904, 9010, 9044, 9520, 9690, 10070, 10640, 10812, 11130, 11305, 12084, 12614, 12720, 12920, 13515, 13566, 14098, 14280, 14416, 14840, 15105, 15504, 15960, 16112, 17119, 17808, 18020, 18088, 18921, 19380, 20140, 21147, 21624, 22260, 22610, 24168, 25228, 25840, 27030, 27132, 28196, 28560, 29680, 30210, 31535, 31920, 33915, 34238, 35245, 36040, 36176, 37842, 38760, 40280, 42294, 43248, 44520, 45220, 48336, 50456, 51357, 54060, 54264, 56392, 60420, 63070, 67830, 68476, 70490, 72080, 75684, 77520, 80560, 84588, 85595, 89040, 90440, 94605, 100912, 102714, 105735, 108120, 108528, 112784, 119833, 120840, 126140, 135660, 136952, 140980, 151368, 169176, 171190, 180880, 189210, 205428, 211470, 216240, 239666, 241680, 252280, 256785, 271320, 273904, 281960, 302736, 338352, 342380, 359499, 378420, 410856, 422940, 479332, 504560, 513570, 542640, 563920, 599165, 684760, 718998, 756840, 821712, 845880, 958664, 1027140, 1198330, 1369520, 1437996, 1513680, 1691760, 1797495, 1917328, 2054280, 2396660, 2875992, 3594990, 4108560, 4793320, 5751984, 7189980, 9586640, 14379960, 28759920]

約数ペア:

[(1, 28759920), (2, 14379960), (3, 9586640), (4, 7189980), (5, 5751984), (6, 4793320), (7, 4108560), (8, 3594990), (10, 2875992), (12, 2396660), (14, 2054280), (15, 1917328), (16, 1797495), (17, 1691760), (19, 1513680), (20, 1437996), (21, 1369520), (24, 1198330), (28, 1027140), (30, 958664), (34, 845880), (35, 821712), (38, 756840), (40, 718998), (42, 684760), (48, 599165), (51, 563920), (53, 542640), (56, 513570), (57, 504560), (60, 479332), (68, 422940), (70, 410856), (76, 378420), (80, 359499), (84, 342380), (85, 338352), (95, 302736), (102, 281960), (105, 273904), (106, 271320), (112, 256785), (114, 252280), (119, 241680), (120, 239666), (133, 216240), (136, 211470), (140, 205428), (152, 189210), (159, 180880), (168, 171190), (170, 169176), (190, 151368), (204, 140980), (210, 136952), (212, 135660), (228, 126140), (238, 120840), (240, 119833), (255, 112784), (265, 108528), (266, 108120), (272, 105735), (280, 102714), (285, 100912), (304, 94605), (318, 90440), (323, 89040), (336, 85595), (340, 84588), (357, 80560), (371, 77520), (380, 75684), (399, 72080), (408, 70490), (420, 68476), (424, 67830), (456, 63070), (476, 60420), (510, 56392), (530, 54264), (532, 54060), (560, 51357), (570, 50456), (595, 48336), (636, 45220), (646, 44520), (665, 43248), (680, 42294), (714, 40280), (742, 38760), (760, 37842), (795, 36176), (798, 36040), (816, 35245), (840, 34238), (848, 33915), (901, 31920), (912, 31535), (952, 30210), (969, 29680), (1007, 28560), (1020, 28196), (1060, 27132), (1064, 27030), (1113, 25840), (1140, 25228), (1190, 24168), (1272, 22610), (1292, 22260), (1330, 21624), (1360, 21147), (1428, 20140), (1484, 19380), (1520, 18921), (1590, 18088), (1596, 18020), (1615, 17808), (1680, 17119), (1785, 16112), (1802, 15960), (1855, 15504), (1904, 15105), (1938, 14840), (1995, 14416), (2014, 14280), (2040, 14098), (2120, 13566), (2128, 13515), (2226, 12920), (2261, 12720), (2280, 12614), (2380, 12084), (2544, 11305), (2584, 11130), (2660, 10812), (2703, 10640), (2856, 10070), (2968, 9690), (3021, 9520), (3180, 9044), (3192, 9010), (3230, 8904), (3570, 8056), (3604, 7980), (3710, 7752), (3876, 7420), (3990, 7208), (4028, 7140), (4080, 7049), (4240, 6783), (4452, 6460), (4505, 6384), (4522, 6360), (4560, 6307), (4760, 6042), (4845, 5936), (5035, 5712), (5168, 5565), (5320, 5406)]