868886720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10993}}^1$

素因数の和:11042

約数の個数: 112

約数和(自身を含む): 2345679840

約数和(自身を除く): 1476793120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 9880, 10993, 15808, 19760, 21986, 39520, 43972, 54965, 79040, 87944, 109930, 142909, 175888, 208867, 219860, 285818, 351776, 417734, 439720, 571636, 703552, 714545, 835468, 879440, 1044335, 1143272, 1429090, 1670936, 1758880, 2088670, 2286544, 2715271, 2858180, 3341872, 3517760, 4177340, 4573088, 5430542, 5716360, 6683744, 8354680, 9146176, 10861084, 11432720, 13367488, 13576355, 16709360, 21722168, 22865440, 27152710, 33418720, 43444336, 45730880, 54305420, 66837440, 86888672, 108610840, 173777344, 217221680, 434443360, 868886720]

約数ペア:

[(1, 868886720), (2, 434443360), (4, 217221680), (5, 173777344), (8, 108610840), (10, 86888672), (13, 66837440), (16, 54305420), (19, 45730880), (20, 43444336), (26, 33418720), (32, 27152710), (38, 22865440), (40, 21722168), (52, 16709360), (64, 13576355), (65, 13367488), (76, 11432720), (80, 10861084), (95, 9146176), (104, 8354680), (130, 6683744), (152, 5716360), (160, 5430542), (190, 4573088), (208, 4177340), (247, 3517760), (260, 3341872), (304, 2858180), (320, 2715271), (380, 2286544), (416, 2088670), (494, 1758880), (520, 1670936), (608, 1429090), (760, 1143272), (832, 1044335), (988, 879440), (1040, 835468), (1216, 714545), (1235, 703552), (1520, 571636), (1976, 439720), (2080, 417734), (2470, 351776), (3040, 285818), (3952, 219860), (4160, 208867), (4940, 175888), (6080, 142909), (7904, 109930), (9880, 87944), (10993, 79040), (15808, 54965), (19760, 43972), (21986, 39520)]