139228960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 376306560

約数和(自身を除く): 237077600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 271, 304, 338, 380, 416, 494, 520, 542, 608, 676, 760, 845, 988, 1040, 1084, 1235, 1352, 1355, 1520, 1690, 1976, 2080, 2168, 2470, 2704, 2710, 3040, 3211, 3380, 3523, 3952, 4336, 4940, 5149, 5408, 5420, 6422, 6760, 7046, 7904, 8672, 9880, 10298, 10840, 12844, 13520, 14092, 16055, 17615, 19760, 20596, 21680, 25688, 25745, 27040, 28184, 32110, 35230, 39520, 41192, 43360, 45799, 51376, 51490, 56368, 64220, 66937, 70460, 82384, 91598, 102752, 102980, 112736, 128440, 133874, 140920, 164768, 183196, 205960, 228995, 256880, 267748, 281840, 334685, 366392, 411920, 457990, 513760, 535496, 563680, 669370, 732784, 823840, 870181, 915980, 1070992, 1338740, 1465568, 1740362, 1831960, 2141984, 2677480, 3480724, 3663920, 4350905, 5354960, 6961448, 7327840, 8701810, 10709920, 13922896, 17403620, 27845792, 34807240, 69614480, 139228960]

約数ペア:

[(1, 139228960), (2, 69614480), (4, 34807240), (5, 27845792), (8, 17403620), (10, 13922896), (13, 10709920), (16, 8701810), (19, 7327840), (20, 6961448), (26, 5354960), (32, 4350905), (38, 3663920), (40, 3480724), (52, 2677480), (65, 2141984), (76, 1831960), (80, 1740362), (95, 1465568), (104, 1338740), (130, 1070992), (152, 915980), (160, 870181), (169, 823840), (190, 732784), (208, 669370), (247, 563680), (260, 535496), (271, 513760), (304, 457990), (338, 411920), (380, 366392), (416, 334685), (494, 281840), (520, 267748), (542, 256880), (608, 228995), (676, 205960), (760, 183196), (845, 164768), (988, 140920), (1040, 133874), (1084, 128440), (1235, 112736), (1352, 102980), (1355, 102752), (1520, 91598), (1690, 82384), (1976, 70460), (2080, 66937), (2168, 64220), (2470, 56368), (2704, 51490), (2710, 51376), (3040, 45799), (3211, 43360), (3380, 41192), (3523, 39520), (3952, 35230), (4336, 32110), (4940, 28184), (5149, 27040), (5408, 25745), (5420, 25688), (6422, 21680), (6760, 20596), (7046, 19760), (7904, 17615), (8672, 16055), (9880, 14092), (10298, 13520), (10840, 12844)]