61807760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 178679040

約数和(自身を除く): 116871280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 157, 185, 190, 259, 266, 280, 296, 304, 314, 370, 380, 518, 532, 560, 592, 628, 665, 703, 740, 760, 785, 1036, 1064, 1099, 1256, 1295, 1330, 1406, 1480, 1520, 1570, 2072, 2128, 2198, 2512, 2590, 2660, 2812, 2960, 2983, 3140, 3515, 4144, 4396, 4921, 5180, 5320, 5495, 5624, 5809, 5966, 6280, 7030, 8792, 9842, 10360, 10640, 10990, 11248, 11618, 11932, 12560, 14060, 14915, 17584, 19684, 20720, 20881, 21980, 23236, 23864, 24605, 28120, 29045, 29830, 39368, 40663, 41762, 43960, 46472, 47728, 49210, 56240, 58090, 59660, 78736, 81326, 83524, 87920, 92944, 98420, 104405, 110371, 116180, 119320, 162652, 167048, 196840, 203315, 208810, 220742, 232360, 238640, 325304, 334096, 393680, 406630, 417620, 441484, 464720, 551855, 650608, 772597, 813260, 835240, 882968, 1103710, 1545194, 1626520, 1670480, 1765936, 2207420, 3090388, 3253040, 3862985, 4414840, 6180776, 7725970, 8829680, 12361552, 15451940, 30903880, 61807760]

約数ペア:

[(1, 61807760), (2, 30903880), (4, 15451940), (5, 12361552), (7, 8829680), (8, 7725970), (10, 6180776), (14, 4414840), (16, 3862985), (19, 3253040), (20, 3090388), (28, 2207420), (35, 1765936), (37, 1670480), (38, 1626520), (40, 1545194), (56, 1103710), (70, 882968), (74, 835240), (76, 813260), (80, 772597), (95, 650608), (112, 551855), (133, 464720), (140, 441484), (148, 417620), (152, 406630), (157, 393680), (185, 334096), (190, 325304), (259, 238640), (266, 232360), (280, 220742), (296, 208810), (304, 203315), (314, 196840), (370, 167048), (380, 162652), (518, 119320), (532, 116180), (560, 110371), (592, 104405), (628, 98420), (665, 92944), (703, 87920), (740, 83524), (760, 81326), (785, 78736), (1036, 59660), (1064, 58090), (1099, 56240), (1256, 49210), (1295, 47728), (1330, 46472), (1406, 43960), (1480, 41762), (1520, 40663), (1570, 39368), (2072, 29830), (2128, 29045), (2198, 28120), (2512, 24605), (2590, 23864), (2660, 23236), (2812, 21980), (2960, 20881), (2983, 20720), (3140, 19684), (3515, 17584), (4144, 14915), (4396, 14060), (4921, 12560), (5180, 11932), (5320, 11618), (5495, 11248), (5624, 10990), (5809, 10640), (5966, 10360), (6280, 9842), (7030, 8792)]