128587440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 424615680

約数和(自身を除く): 296028240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 163, 173, 190, 228, 240, 285, 304, 326, 346, 380, 456, 489, 519, 570, 652, 692, 760, 815, 865, 912, 978, 1038, 1140, 1304, 1384, 1520, 1630, 1730, 1956, 2076, 2280, 2445, 2595, 2608, 2768, 3097, 3260, 3287, 3460, 3912, 4152, 4560, 4890, 5190, 6194, 6520, 6574, 6920, 7824, 8304, 9291, 9780, 9861, 10380, 12388, 13040, 13148, 13840, 15485, 16435, 18582, 19560, 19722, 20760, 24776, 26296, 28199, 30970, 32870, 37164, 39120, 39444, 41520, 46455, 49305, 49552, 52592, 56398, 61940, 65740, 74328, 78888, 84597, 92910, 98610, 112796, 123880, 131480, 140995, 148656, 157776, 169194, 185820, 197220, 225592, 247760, 262960, 281990, 338388, 371640, 394440, 422985, 451184, 535781, 563980, 676776, 743280, 788880, 845970, 1071562, 1127960, 1353552, 1607343, 1691940, 2143124, 2255920, 2678905, 3214686, 3383880, 4286248, 5357810, 6429372, 6767760, 8036715, 8572496, 10715620, 12858744, 16073430, 21431240, 25717488, 32146860, 42862480, 64293720, 128587440]

約数ペア:

[(1, 128587440), (2, 64293720), (3, 42862480), (4, 32146860), (5, 25717488), (6, 21431240), (8, 16073430), (10, 12858744), (12, 10715620), (15, 8572496), (16, 8036715), (19, 6767760), (20, 6429372), (24, 5357810), (30, 4286248), (38, 3383880), (40, 3214686), (48, 2678905), (57, 2255920), (60, 2143124), (76, 1691940), (80, 1607343), (95, 1353552), (114, 1127960), (120, 1071562), (152, 845970), (163, 788880), (173, 743280), (190, 676776), (228, 563980), (240, 535781), (285, 451184), (304, 422985), (326, 394440), (346, 371640), (380, 338388), (456, 281990), (489, 262960), (519, 247760), (570, 225592), (652, 197220), (692, 185820), (760, 169194), (815, 157776), (865, 148656), (912, 140995), (978, 131480), (1038, 123880), (1140, 112796), (1304, 98610), (1384, 92910), (1520, 84597), (1630, 78888), (1730, 74328), (1956, 65740), (2076, 61940), (2280, 56398), (2445, 52592), (2595, 49552), (2608, 49305), (2768, 46455), (3097, 41520), (3260, 39444), (3287, 39120), (3460, 37164), (3912, 32870), (4152, 30970), (4560, 28199), (4890, 26296), (5190, 24776), (6194, 20760), (6520, 19722), (6574, 19560), (6920, 18582), (7824, 16435), (8304, 15485), (9291, 13840), (9780, 13148), (9861, 13040), (10380, 12388)]