71817720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 128

約数和(自身を含む): 244339200

約数和(自身を除く): 172521480

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, 2423, 2470, 2964, 3705, 4846, 4940, 5928, 7269, 7410, 9692, 9880, 12115, 14538, 14820, 19384, 24230, 29076, 29640, 31499, 36345, 46037, 48460, 58152, 62998, 72690, 92074, 94497, 96920, 125996, 138111, 145380, 157495, 184148, 188994, 230185, 251992, 276222, 290760, 314990, 368296, 377988, 460370, 472485, 552444, 598481, 629980, 690555, 755976, 920740, 944970, 1104888, 1196962, 1259960, 1381110, 1795443, 1841480, 1889940, 2393924, 2762220, 2992405, 3590886, 3779880, 4787848, 5524440, 5984810, 7181772, 8977215, 11969620, 14363544, 17954430, 23939240, 35908860, 71817720]

約数ペア:

[(1, 71817720), (2, 35908860), (3, 23939240), (4, 17954430), (5, 14363544), (6, 11969620), (8, 8977215), (10, 7181772), (12, 5984810), (13, 5524440), (15, 4787848), (19, 3779880), (20, 3590886), (24, 2992405), (26, 2762220), (30, 2393924), (38, 1889940), (39, 1841480), (40, 1795443), (52, 1381110), (57, 1259960), (60, 1196962), (65, 1104888), (76, 944970), (78, 920740), (95, 755976), (104, 690555), (114, 629980), (120, 598481), (130, 552444), (152, 472485), (156, 460370), (190, 377988), (195, 368296), (228, 314990), (247, 290760), (260, 276222), (285, 251992), (312, 230185), (380, 188994), (390, 184148), (456, 157495), (494, 145380), (520, 138111), (570, 125996), (741, 96920), (760, 94497), (780, 92074), (988, 72690), (1140, 62998), (1235, 58152), (1482, 48460), (1560, 46037), (1976, 36345), (2280, 31499), (2423, 29640), (2470, 29076), (2964, 24230), (3705, 19384), (4846, 14820), (4940, 14538), (5928, 12115), (7269, 9880), (7410, 9692)]