187785816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 517228800

約数和(自身を除く): 329442984

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 43, 57, 61, 76, 86, 114, 122, 129, 152, 157, 172, 183, 228, 244, 258, 314, 344, 366, 456, 471, 488, 516, 628, 732, 817, 942, 1032, 1159, 1256, 1464, 1634, 1884, 2318, 2451, 2623, 2983, 3268, 3477, 3768, 4636, 4902, 5246, 5966, 6536, 6751, 6954, 7869, 8949, 9272, 9577, 9804, 10492, 11932, 13502, 13908, 15738, 17898, 19154, 19608, 20253, 20984, 23864, 27004, 27816, 28731, 31476, 35796, 38308, 40506, 49837, 54008, 57462, 62952, 71592, 76616, 81012, 99674, 114924, 128269, 149511, 162024, 181963, 199348, 229848, 256538, 299022, 363926, 384807, 398696, 411811, 513076, 545889, 598044, 727852, 769614, 823622, 1026152, 1091778, 1196088, 1235433, 1455704, 1539228, 1647244, 2183556, 2470866, 3078456, 3294488, 4367112, 4941732, 7824409, 9883464, 15648818, 23473227, 31297636, 46946454, 62595272, 93892908, 187785816]

約数ペア:

[(1, 187785816), (2, 93892908), (3, 62595272), (4, 46946454), (6, 31297636), (8, 23473227), (12, 15648818), (19, 9883464), (24, 7824409), (38, 4941732), (43, 4367112), (57, 3294488), (61, 3078456), (76, 2470866), (86, 2183556), (114, 1647244), (122, 1539228), (129, 1455704), (152, 1235433), (157, 1196088), (172, 1091778), (183, 1026152), (228, 823622), (244, 769614), (258, 727852), (314, 598044), (344, 545889), (366, 513076), (456, 411811), (471, 398696), (488, 384807), (516, 363926), (628, 299022), (732, 256538), (817, 229848), (942, 199348), (1032, 181963), (1159, 162024), (1256, 149511), (1464, 128269), (1634, 114924), (1884, 99674), (2318, 81012), (2451, 76616), (2623, 71592), (2983, 62952), (3268, 57462), (3477, 54008), (3768, 49837), (4636, 40506), (4902, 38308), (5246, 35796), (5966, 31476), (6536, 28731), (6751, 27816), (6954, 27004), (7869, 23864), (8949, 20984), (9272, 20253), (9577, 19608), (9804, 19154), (10492, 17898), (11932, 15738), (13502, 13908)]