28069080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 95558400

約数和(自身を除く): 67489320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 947, 988, 1140, 1235, 1482, 1560, 1894, 1976, 2280, 2470, 2841, 2964, 3705, 3788, 4735, 4940, 5682, 5928, 7410, 7576, 9470, 9880, 11364, 12311, 14205, 14820, 17993, 18940, 22728, 24622, 28410, 29640, 35986, 36933, 37880, 49244, 53979, 56820, 61555, 71972, 73866, 89965, 98488, 107958, 113640, 123110, 143944, 147732, 179930, 184665, 215916, 233909, 246220, 269895, 295464, 359860, 369330, 431832, 467818, 492440, 539790, 701727, 719720, 738660, 935636, 1079580, 1169545, 1403454, 1477320, 1871272, 2159160, 2339090, 2806908, 3508635, 4678180, 5613816, 7017270, 9356360, 14034540, 28069080]

約数ペア:

[(1, 28069080), (2, 14034540), (3, 9356360), (4, 7017270), (5, 5613816), (6, 4678180), (8, 3508635), (10, 2806908), (12, 2339090), (13, 2159160), (15, 1871272), (19, 1477320), (20, 1403454), (24, 1169545), (26, 1079580), (30, 935636), (38, 738660), (39, 719720), (40, 701727), (52, 539790), (57, 492440), (60, 467818), (65, 431832), (76, 369330), (78, 359860), (95, 295464), (104, 269895), (114, 246220), (120, 233909), (130, 215916), (152, 184665), (156, 179930), (190, 147732), (195, 143944), (228, 123110), (247, 113640), (260, 107958), (285, 98488), (312, 89965), (380, 73866), (390, 71972), (456, 61555), (494, 56820), (520, 53979), (570, 49244), (741, 37880), (760, 36933), (780, 35986), (947, 29640), (988, 28410), (1140, 24622), (1235, 22728), (1482, 18940), (1560, 17993), (1894, 14820), (1976, 14205), (2280, 12311), (2470, 11364), (2841, 9880), (2964, 9470), (3705, 7576), (3788, 7410), (4735, 5928), (4940, 5682)]