217735440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3721

約数の個数: 160

約数和(自身を含む): 765367680

約数和(自身を除く): 547632240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3673, 3705, 3952, 4560, 4940, 5928, 7346, 7410, 9880, 11019, 11856, 14692, 14820, 18365, 19760, 22038, 29384, 29640, 36730, 44076, 47749, 55095, 58768, 59280, 69787, 73460, 88152, 95498, 110190, 139574, 143247, 146920, 176304, 190996, 209361, 220380, 238745, 279148, 286494, 293840, 348935, 381992, 418722, 440760, 477490, 558296, 572988, 697870, 716235, 763984, 837444, 881520, 907231, 954980, 1046805, 1116592, 1145976, 1395740, 1432470, 1674888, 1814462, 1909960, 2093610, 2291952, 2721693, 2791480, 2864940, 3349776, 3628924, 3819920, 4187220, 4536155, 5443386, 5582960, 5729880, 7257848, 8374440, 9072310, 10886772, 11459760, 13608465, 14515696, 16748880, 18144620, 21773544, 27216930, 36289240, 43547088, 54433860, 72578480, 108867720, 217735440]

約数ペア:

[(1, 217735440), (2, 108867720), (3, 72578480), (4, 54433860), (5, 43547088), (6, 36289240), (8, 27216930), (10, 21773544), (12, 18144620), (13, 16748880), (15, 14515696), (16, 13608465), (19, 11459760), (20, 10886772), (24, 9072310), (26, 8374440), (30, 7257848), (38, 5729880), (39, 5582960), (40, 5443386), (48, 4536155), (52, 4187220), (57, 3819920), (60, 3628924), (65, 3349776), (76, 2864940), (78, 2791480), (80, 2721693), (95, 2291952), (104, 2093610), (114, 1909960), (120, 1814462), (130, 1674888), (152, 1432470), (156, 1395740), (190, 1145976), (195, 1116592), (208, 1046805), (228, 954980), (240, 907231), (247, 881520), (260, 837444), (285, 763984), (304, 716235), (312, 697870), (380, 572988), (390, 558296), (456, 477490), (494, 440760), (520, 418722), (570, 381992), (624, 348935), (741, 293840), (760, 286494), (780, 279148), (912, 238745), (988, 220380), (1040, 209361), (1140, 190996), (1235, 176304), (1482, 146920), (1520, 143247), (1560, 139574), (1976, 110190), (2280, 95498), (2470, 88152), (2964, 73460), (3120, 69787), (3673, 59280), (3705, 58768), (3952, 55095), (4560, 47749), (4940, 44076), (5928, 36730), (7346, 29640), (7410, 29384), (9880, 22038), (11019, 19760), (11856, 18365), (14692, 14820)]