86287240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 227525760

約数和(自身を除く): 141238520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 170, 172, 215, 221, 227, 260, 340, 344, 430, 442, 454, 520, 559, 680, 731, 860, 884, 908, 1105, 1118, 1135, 1462, 1720, 1768, 1816, 2210, 2236, 2270, 2795, 2924, 2951, 3655, 3859, 4420, 4472, 4540, 5590, 5848, 5902, 7310, 7718, 8840, 9080, 9503, 9761, 11180, 11804, 14620, 14755, 15436, 19006, 19295, 19522, 22360, 23608, 29240, 29510, 30872, 38012, 38590, 39044, 47515, 48805, 50167, 59020, 76024, 77180, 78088, 95030, 97610, 100334, 118040, 126893, 154360, 165937, 190060, 195220, 200668, 250835, 253786, 331874, 380120, 390440, 401336, 501670, 507572, 634465, 663748, 829685, 1003340, 1015144, 1268930, 1327496, 1659370, 2006680, 2157181, 2537860, 3318740, 4314362, 5075720, 6637480, 8628724, 10785905, 17257448, 21571810, 43143620, 86287240]

約数ペア:

[(1, 86287240), (2, 43143620), (4, 21571810), (5, 17257448), (8, 10785905), (10, 8628724), (13, 6637480), (17, 5075720), (20, 4314362), (26, 3318740), (34, 2537860), (40, 2157181), (43, 2006680), (52, 1659370), (65, 1327496), (68, 1268930), (85, 1015144), (86, 1003340), (104, 829685), (130, 663748), (136, 634465), (170, 507572), (172, 501670), (215, 401336), (221, 390440), (227, 380120), (260, 331874), (340, 253786), (344, 250835), (430, 200668), (442, 195220), (454, 190060), (520, 165937), (559, 154360), (680, 126893), (731, 118040), (860, 100334), (884, 97610), (908, 95030), (1105, 78088), (1118, 77180), (1135, 76024), (1462, 59020), (1720, 50167), (1768, 48805), (1816, 47515), (2210, 39044), (2236, 38590), (2270, 38012), (2795, 30872), (2924, 29510), (2951, 29240), (3655, 23608), (3859, 22360), (4420, 19522), (4472, 19295), (4540, 19006), (5590, 15436), (5848, 14755), (5902, 14620), (7310, 11804), (7718, 11180), (8840, 9761), (9080, 9503)]