168157220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 472288320

約数和(自身を除く): 304131100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 418, 490, 532, 539, 665, 770, 821, 836, 931, 980, 1045, 1078, 1330, 1463, 1540, 1642, 1862, 2090, 2156, 2660, 2695, 2926, 3284, 3724, 4105, 4180, 4655, 5390, 5747, 5852, 7315, 8210, 9031, 9310, 10241, 10780, 11494, 14630, 15599, 16420, 18062, 18620, 20482, 22988, 28735, 29260, 31198, 36124, 40229, 40964, 45155, 51205, 57470, 62396, 63217, 77995, 80458, 90310, 102410, 109193, 114940, 126434, 155990, 160916, 171589, 180620, 201145, 204820, 218386, 252868, 311980, 316085, 343178, 402290, 436772, 442519, 545965, 632170, 686356, 764351, 804580, 857945, 885038, 1091930, 1201123, 1264340, 1528702, 1715890, 1770076, 2183860, 2212595, 2402246, 3057404, 3431780, 3821755, 4425190, 4804492, 6005615, 7643510, 8407861, 8850380, 12011230, 15287020, 16815722, 24022460, 33631444, 42039305, 84078610, 168157220]

約数ペア:

[(1, 168157220), (2, 84078610), (4, 42039305), (5, 33631444), (7, 24022460), (10, 16815722), (11, 15287020), (14, 12011230), (19, 8850380), (20, 8407861), (22, 7643510), (28, 6005615), (35, 4804492), (38, 4425190), (44, 3821755), (49, 3431780), (55, 3057404), (70, 2402246), (76, 2212595), (77, 2183860), (95, 1770076), (98, 1715890), (110, 1528702), (133, 1264340), (140, 1201123), (154, 1091930), (190, 885038), (196, 857945), (209, 804580), (220, 764351), (245, 686356), (266, 632170), (308, 545965), (380, 442519), (385, 436772), (418, 402290), (490, 343178), (532, 316085), (539, 311980), (665, 252868), (770, 218386), (821, 204820), (836, 201145), (931, 180620), (980, 171589), (1045, 160916), (1078, 155990), (1330, 126434), (1463, 114940), (1540, 109193), (1642, 102410), (1862, 90310), (2090, 80458), (2156, 77995), (2660, 63217), (2695, 62396), (2926, 57470), (3284, 51205), (3724, 45155), (4105, 40964), (4180, 40229), (4655, 36124), (5390, 31198), (5747, 29260), (5852, 28735), (7315, 22988), (8210, 20482), (9031, 18620), (9310, 18062), (10241, 16420), (10780, 15599), (11494, 14630)]