61491720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 200154240

約数和(自身を除く): 138662520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 701, 731, 860, 1020, 1032, 1290, 1402, 1462, 1720, 2040, 2103, 2193, 2580, 2804, 2924, 3505, 3655, 4206, 4386, 5160, 5608, 5848, 7010, 7310, 8412, 8772, 10515, 10965, 11917, 14020, 14620, 16824, 17544, 21030, 21930, 23834, 28040, 29240, 30143, 35751, 42060, 43860, 47668, 59585, 60286, 71502, 84120, 87720, 90429, 95336, 119170, 120572, 143004, 150715, 178755, 180858, 238340, 241144, 286008, 301430, 357510, 361716, 452145, 476680, 512431, 602860, 715020, 723432, 904290, 1024862, 1205720, 1430040, 1537293, 1808580, 2049724, 2562155, 3074586, 3617160, 4099448, 5124310, 6149172, 7686465, 10248620, 12298344, 15372930, 20497240, 30745860, 61491720]

約数ペア:

[(1, 61491720), (2, 30745860), (3, 20497240), (4, 15372930), (5, 12298344), (6, 10248620), (8, 7686465), (10, 6149172), (12, 5124310), (15, 4099448), (17, 3617160), (20, 3074586), (24, 2562155), (30, 2049724), (34, 1808580), (40, 1537293), (43, 1430040), (51, 1205720), (60, 1024862), (68, 904290), (85, 723432), (86, 715020), (102, 602860), (120, 512431), (129, 476680), (136, 452145), (170, 361716), (172, 357510), (204, 301430), (215, 286008), (255, 241144), (258, 238340), (340, 180858), (344, 178755), (408, 150715), (430, 143004), (510, 120572), (516, 119170), (645, 95336), (680, 90429), (701, 87720), (731, 84120), (860, 71502), (1020, 60286), (1032, 59585), (1290, 47668), (1402, 43860), (1462, 42060), (1720, 35751), (2040, 30143), (2103, 29240), (2193, 28040), (2580, 23834), (2804, 21930), (2924, 21030), (3505, 17544), (3655, 16824), (4206, 14620), (4386, 14020), (5160, 11917), (5608, 10965), (5848, 10515), (7010, 8772), (7310, 8412)]