90905880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3067}}^1$

素因数の和:3113

約数の個数: 128

約数和(自身を含む): 309254400

約数和(自身を除く): 218348520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3067, 3705, 4940, 5928, 6134, 7410, 9201, 9880, 12268, 14820, 15335, 18402, 24536, 29640, 30670, 36804, 39871, 46005, 58273, 61340, 73608, 79742, 92010, 116546, 119613, 122680, 159484, 174819, 184020, 199355, 233092, 239226, 291365, 318968, 349638, 368040, 398710, 466184, 478452, 582730, 598065, 699276, 757549, 797420, 874095, 956904, 1165460, 1196130, 1398552, 1515098, 1594840, 1748190, 2272647, 2330920, 2392260, 3030196, 3496380, 3787745, 4545294, 4784520, 6060392, 6992760, 7575490, 9090588, 11363235, 15150980, 18181176, 22726470, 30301960, 45452940, 90905880]

約数ペア:

[(1, 90905880), (2, 45452940), (3, 30301960), (4, 22726470), (5, 18181176), (6, 15150980), (8, 11363235), (10, 9090588), (12, 7575490), (13, 6992760), (15, 6060392), (19, 4784520), (20, 4545294), (24, 3787745), (26, 3496380), (30, 3030196), (38, 2392260), (39, 2330920), (40, 2272647), (52, 1748190), (57, 1594840), (60, 1515098), (65, 1398552), (76, 1196130), (78, 1165460), (95, 956904), (104, 874095), (114, 797420), (120, 757549), (130, 699276), (152, 598065), (156, 582730), (190, 478452), (195, 466184), (228, 398710), (247, 368040), (260, 349638), (285, 318968), (312, 291365), (380, 239226), (390, 233092), (456, 199355), (494, 184020), (520, 174819), (570, 159484), (741, 122680), (760, 119613), (780, 116546), (988, 92010), (1140, 79742), (1235, 73608), (1482, 61340), (1560, 58273), (1976, 46005), (2280, 39871), (2470, 36804), (2964, 30670), (3067, 29640), (3705, 24536), (4940, 18402), (5928, 15335), (6134, 14820), (7410, 12268), (9201, 9880)]