28878480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2149

約数の個数: 120

約数和(自身を含む): 102136320

約数和(自身を除く): 73257840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2111, 2280, 2736, 3420, 4222, 4560, 6333, 6840, 8444, 10555, 12666, 13680, 16888, 18999, 21110, 25332, 31665, 33776, 37998, 40109, 42220, 50664, 63330, 75996, 80218, 84440, 94995, 101328, 120327, 126660, 151992, 160436, 168880, 189990, 200545, 240654, 253320, 303984, 320872, 360981, 379980, 401090, 481308, 506640, 601635, 641744, 721962, 759960, 802180, 962616, 1203270, 1443924, 1519920, 1604360, 1804905, 1925232, 2406540, 2887848, 3208720, 3609810, 4813080, 5775696, 7219620, 9626160, 14439240, 28878480]

約数ペア:

[(1, 28878480), (2, 14439240), (3, 9626160), (4, 7219620), (5, 5775696), (6, 4813080), (8, 3609810), (9, 3208720), (10, 2887848), (12, 2406540), (15, 1925232), (16, 1804905), (18, 1604360), (19, 1519920), (20, 1443924), (24, 1203270), (30, 962616), (36, 802180), (38, 759960), (40, 721962), (45, 641744), (48, 601635), (57, 506640), (60, 481308), (72, 401090), (76, 379980), (80, 360981), (90, 320872), (95, 303984), (114, 253320), (120, 240654), (144, 200545), (152, 189990), (171, 168880), (180, 160436), (190, 151992), (228, 126660), (240, 120327), (285, 101328), (304, 94995), (342, 84440), (360, 80218), (380, 75996), (456, 63330), (570, 50664), (684, 42220), (720, 40109), (760, 37998), (855, 33776), (912, 31665), (1140, 25332), (1368, 21110), (1520, 18999), (1710, 16888), (2111, 13680), (2280, 12666), (2736, 10555), (3420, 8444), (4222, 6840), (4560, 6333)]