678540160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1440

約数の個数: 128

約数和(自身を含む): 1750442400

約数和(自身を除く): 1071902240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1312, 1361, 1520, 1558, 1640, 2432, 2624, 2722, 3040, 3116, 3280, 3895, 5248, 5444, 6080, 6232, 6560, 6805, 7790, 10888, 12160, 12464, 13120, 13610, 15580, 21776, 24928, 25859, 26240, 27220, 31160, 43552, 49856, 51718, 54440, 55801, 62320, 87104, 99712, 103436, 108880, 111602, 124640, 129295, 174208, 206872, 217760, 223204, 249280, 258590, 279005, 413744, 435520, 446408, 498560, 517180, 558010, 827488, 871040, 892816, 1034360, 1060219, 1116020, 1654976, 1785632, 2068720, 2120438, 2232040, 3309952, 3571264, 4137440, 4240876, 4464080, 5301095, 7142528, 8274880, 8481752, 8928160, 10602190, 16549760, 16963504, 17856320, 21204380, 33927008, 35712640, 42408760, 67854016, 84817520, 135708032, 169635040, 339270080, 678540160]

約数ペア:

[(1, 678540160), (2, 339270080), (4, 169635040), (5, 135708032), (8, 84817520), (10, 67854016), (16, 42408760), (19, 35712640), (20, 33927008), (32, 21204380), (38, 17856320), (40, 16963504), (41, 16549760), (64, 10602190), (76, 8928160), (80, 8481752), (82, 8274880), (95, 7142528), (128, 5301095), (152, 4464080), (160, 4240876), (164, 4137440), (190, 3571264), (205, 3309952), (304, 2232040), (320, 2120438), (328, 2068720), (380, 1785632), (410, 1654976), (608, 1116020), (640, 1060219), (656, 1034360), (760, 892816), (779, 871040), (820, 827488), (1216, 558010), (1312, 517180), (1361, 498560), (1520, 446408), (1558, 435520), (1640, 413744), (2432, 279005), (2624, 258590), (2722, 249280), (3040, 223204), (3116, 217760), (3280, 206872), (3895, 174208), (5248, 129295), (5444, 124640), (6080, 111602), (6232, 108880), (6560, 103436), (6805, 99712), (7790, 87104), (10888, 62320), (12160, 55801), (12464, 54440), (13120, 51718), (13610, 49856), (15580, 43552), (21776, 31160), (24928, 27220), (25859, 26240)]