28135440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1741

約数の個数: 120

約数和(自身を含む): 98654400

約数和(自身を除く): 70518960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1699, 1840, 2070, 2760, 3312, 3398, 4140, 5097, 5520, 6796, 8280, 8495, 10194, 13592, 15291, 16560, 16990, 20388, 25485, 27184, 30582, 33980, 39077, 40776, 50970, 61164, 67960, 76455, 78154, 81552, 101940, 117231, 122328, 135920, 152910, 156308, 195385, 203880, 234462, 244656, 305820, 312616, 351693, 390770, 407760, 468924, 586155, 611640, 625232, 703386, 781540, 937848, 1172310, 1223280, 1406772, 1563080, 1758465, 1875696, 2344620, 2813544, 3126160, 3516930, 4689240, 5627088, 7033860, 9378480, 14067720, 28135440]

約数ペア:

[(1, 28135440), (2, 14067720), (3, 9378480), (4, 7033860), (5, 5627088), (6, 4689240), (8, 3516930), (9, 3126160), (10, 2813544), (12, 2344620), (15, 1875696), (16, 1758465), (18, 1563080), (20, 1406772), (23, 1223280), (24, 1172310), (30, 937848), (36, 781540), (40, 703386), (45, 625232), (46, 611640), (48, 586155), (60, 468924), (69, 407760), (72, 390770), (80, 351693), (90, 312616), (92, 305820), (115, 244656), (120, 234462), (138, 203880), (144, 195385), (180, 156308), (184, 152910), (207, 135920), (230, 122328), (240, 117231), (276, 101940), (345, 81552), (360, 78154), (368, 76455), (414, 67960), (460, 61164), (552, 50970), (690, 40776), (720, 39077), (828, 33980), (920, 30582), (1035, 27184), (1104, 25485), (1380, 20388), (1656, 16990), (1699, 16560), (1840, 15291), (2070, 13592), (2760, 10194), (3312, 8495), (3398, 8280), (4140, 6796), (5097, 5520)]