311989080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4651}}^1$

素因数の和:4721

約数の個数: 128

約数和(自身を含む): 1031627520

約数和(自身を除く): 719638440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 4472, 4651, 5160, 5590, 6708, 8385, 9302, 11180, 13416, 13953, 16770, 18604, 22360, 23255, 27906, 33540, 37208, 46510, 55812, 60463, 67080, 69765, 93020, 111624, 120926, 139530, 181389, 186040, 199993, 241852, 279060, 302315, 362778, 399986, 483704, 558120, 599979, 604630, 725556, 799972, 906945, 999965, 1199958, 1209260, 1451112, 1599944, 1813890, 1999930, 2399916, 2418520, 2599909, 2999895, 3627780, 3999860, 4799832, 5199818, 5999790, 7255560, 7799727, 7999720, 10399636, 11999580, 12999545, 15599454, 20799272, 23999160, 25999090, 31198908, 38998635, 51998180, 62397816, 77997270, 103996360, 155994540, 311989080]

約数ペア:

[(1, 311989080), (2, 155994540), (3, 103996360), (4, 77997270), (5, 62397816), (6, 51998180), (8, 38998635), (10, 31198908), (12, 25999090), (13, 23999160), (15, 20799272), (20, 15599454), (24, 12999545), (26, 11999580), (30, 10399636), (39, 7999720), (40, 7799727), (43, 7255560), (52, 5999790), (60, 5199818), (65, 4799832), (78, 3999860), (86, 3627780), (104, 2999895), (120, 2599909), (129, 2418520), (130, 2399916), (156, 1999930), (172, 1813890), (195, 1599944), (215, 1451112), (258, 1209260), (260, 1199958), (312, 999965), (344, 906945), (390, 799972), (430, 725556), (516, 604630), (520, 599979), (559, 558120), (645, 483704), (780, 399986), (860, 362778), (1032, 302315), (1118, 279060), (1290, 241852), (1560, 199993), (1677, 186040), (1720, 181389), (2236, 139530), (2580, 120926), (2795, 111624), (3354, 93020), (4472, 69765), (4651, 67080), (5160, 60463), (5590, 55812), (6708, 46510), (8385, 37208), (9302, 33540), (11180, 27906), (13416, 23255), (13953, 22360), (16770, 18604)]