78847380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 250233984

約数和(自身を除く): 171386604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 167, 172, 180, 183, 215, 244, 258, 305, 334, 366, 387, 430, 501, 516, 549, 610, 645, 668, 732, 774, 835, 860, 915, 1002, 1098, 1220, 1290, 1503, 1548, 1670, 1830, 1935, 2004, 2196, 2505, 2580, 2623, 2745, 3006, 3340, 3660, 3870, 5010, 5246, 5490, 6012, 7181, 7515, 7740, 7869, 10020, 10187, 10492, 10980, 13115, 14362, 15030, 15738, 20374, 21543, 23607, 26230, 28724, 30060, 30561, 31476, 35905, 39345, 40748, 43086, 47214, 50935, 52460, 61122, 64629, 71810, 78690, 86172, 91683, 94428, 101870, 107715, 118035, 122244, 129258, 143620, 152805, 157380, 183366, 203740, 215430, 236070, 258516, 305610, 323145, 366732, 430860, 438041, 458415, 472140, 611220, 646290, 876082, 916830, 1292580, 1314123, 1752164, 1833660, 2190205, 2628246, 3942369, 4380410, 5256492, 6570615, 7884738, 8760820, 13141230, 15769476, 19711845, 26282460, 39423690, 78847380]

約数ペア:

[(1, 78847380), (2, 39423690), (3, 26282460), (4, 19711845), (5, 15769476), (6, 13141230), (9, 8760820), (10, 7884738), (12, 6570615), (15, 5256492), (18, 4380410), (20, 3942369), (30, 2628246), (36, 2190205), (43, 1833660), (45, 1752164), (60, 1314123), (61, 1292580), (86, 916830), (90, 876082), (122, 646290), (129, 611220), (167, 472140), (172, 458415), (180, 438041), (183, 430860), (215, 366732), (244, 323145), (258, 305610), (305, 258516), (334, 236070), (366, 215430), (387, 203740), (430, 183366), (501, 157380), (516, 152805), (549, 143620), (610, 129258), (645, 122244), (668, 118035), (732, 107715), (774, 101870), (835, 94428), (860, 91683), (915, 86172), (1002, 78690), (1098, 71810), (1220, 64629), (1290, 61122), (1503, 52460), (1548, 50935), (1670, 47214), (1830, 43086), (1935, 40748), (2004, 39345), (2196, 35905), (2505, 31476), (2580, 30561), (2623, 30060), (2745, 28724), (3006, 26230), (3340, 23607), (3660, 21543), (3870, 20374), (5010, 15738), (5246, 15030), (5490, 14362), (6012, 13115), (7181, 10980), (7515, 10492), (7740, 10187), (7869, 10020)]