81512280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:754

約数の個数: 192

約数和(自身を含む): 295682400

約数和(自身を除く): 214170120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 701, 760, 765, 855, 969, 1020, 1140, 1224, 1292, 1368, 1402, 1530, 1615, 1710, 1938, 2040, 2103, 2280, 2584, 2804, 2907, 3060, 3230, 3420, 3505, 3876, 4206, 4845, 5608, 5814, 6120, 6309, 6460, 6840, 7010, 7752, 8412, 9690, 10515, 11628, 11917, 12618, 12920, 13319, 14020, 14535, 16824, 19380, 21030, 23256, 23834, 25236, 26638, 28040, 29070, 31545, 35751, 38760, 39957, 42060, 47668, 50472, 53276, 58140, 59585, 63090, 66595, 71502, 79914, 84120, 95336, 106552, 107253, 116280, 119170, 119871, 126180, 133190, 143004, 159828, 178755, 199785, 214506, 226423, 238340, 239742, 252360, 266380, 286008, 319656, 357510, 399570, 429012, 452846, 476680, 479484, 532760, 536265, 599355, 679269, 715020, 799140, 858024, 905692, 958968, 1072530, 1132115, 1198710, 1358538, 1430040, 1598280, 1811384, 2037807, 2145060, 2264230, 2397420, 2717076, 3396345, 4075614, 4290120, 4528460, 4794840, 5434152, 6792690, 8151228, 9056920, 10189035, 13585380, 16302456, 20378070, 27170760, 40756140, 81512280]

約数ペア:

[(1, 81512280), (2, 40756140), (3, 27170760), (4, 20378070), (5, 16302456), (6, 13585380), (8, 10189035), (9, 9056920), (10, 8151228), (12, 6792690), (15, 5434152), (17, 4794840), (18, 4528460), (19, 4290120), (20, 4075614), (24, 3396345), (30, 2717076), (34, 2397420), (36, 2264230), (38, 2145060), (40, 2037807), (45, 1811384), (51, 1598280), (57, 1430040), (60, 1358538), (68, 1198710), (72, 1132115), (76, 1072530), (85, 958968), (90, 905692), (95, 858024), (102, 799140), (114, 715020), (120, 679269), (136, 599355), (152, 536265), (153, 532760), (170, 479484), (171, 476680), (180, 452846), (190, 429012), (204, 399570), (228, 357510), (255, 319656), (285, 286008), (306, 266380), (323, 252360), (340, 239742), (342, 238340), (360, 226423), (380, 214506), (408, 199785), (456, 178755), (510, 159828), (570, 143004), (612, 133190), (646, 126180), (680, 119871), (684, 119170), (701, 116280), (760, 107253), (765, 106552), (855, 95336), (969, 84120), (1020, 79914), (1140, 71502), (1224, 66595), (1292, 63090), (1368, 59585), (1402, 58140), (1530, 53276), (1615, 50472), (1710, 47668), (1938, 42060), (2040, 39957), (2103, 38760), (2280, 35751), (2584, 31545), (2804, 29070), (2907, 28040), (3060, 26638), (3230, 25236), (3420, 23834), (3505, 23256), (3876, 21030), (4206, 19380), (4845, 16824), (5608, 14535), (5814, 14020), (6120, 13319), (6309, 12920), (6460, 12618), (6840, 11917), (7010, 11628), (7752, 10515), (8412, 9690)]