312039390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 128

約数和(自身を含む): 862202880

約数和(自身を除く): 550163490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 43, 46, 65, 69, 78, 86, 115, 129, 130, 138, 195, 215, 230, 258, 299, 345, 390, 430, 559, 598, 645, 690, 809, 897, 989, 1118, 1290, 1495, 1618, 1677, 1794, 1978, 2427, 2795, 2967, 2990, 3354, 4045, 4485, 4854, 4945, 5590, 5934, 8090, 8385, 8970, 9890, 10517, 12135, 12857, 14835, 16770, 18607, 21034, 24270, 25714, 29670, 31551, 34787, 37214, 38571, 52585, 55821, 63102, 64285, 69574, 77142, 93035, 104361, 105170, 111642, 128570, 157755, 173935, 186070, 192855, 208722, 241891, 279105, 315510, 347870, 385710, 452231, 483782, 521805, 558210, 725673, 800101, 904462, 1043610, 1209455, 1356693, 1451346, 1600202, 2261155, 2400303, 2418910, 2713386, 3628365, 4000505, 4522310, 4800606, 6783465, 7256730, 8001010, 10401313, 12001515, 13566930, 20802626, 24003030, 31203939, 52006565, 62407878, 104013130, 156019695, 312039390]

約数ペア:

[(1, 312039390), (2, 156019695), (3, 104013130), (5, 62407878), (6, 52006565), (10, 31203939), (13, 24003030), (15, 20802626), (23, 13566930), (26, 12001515), (30, 10401313), (39, 8001010), (43, 7256730), (46, 6783465), (65, 4800606), (69, 4522310), (78, 4000505), (86, 3628365), (115, 2713386), (129, 2418910), (130, 2400303), (138, 2261155), (195, 1600202), (215, 1451346), (230, 1356693), (258, 1209455), (299, 1043610), (345, 904462), (390, 800101), (430, 725673), (559, 558210), (598, 521805), (645, 483782), (690, 452231), (809, 385710), (897, 347870), (989, 315510), (1118, 279105), (1290, 241891), (1495, 208722), (1618, 192855), (1677, 186070), (1794, 173935), (1978, 157755), (2427, 128570), (2795, 111642), (2967, 105170), (2990, 104361), (3354, 93035), (4045, 77142), (4485, 69574), (4854, 64285), (4945, 63102), (5590, 55821), (5934, 52585), (8090, 38571), (8385, 37214), (8970, 34787), (9890, 31551), (10517, 29670), (12135, 25714), (12857, 24270), (14835, 21034), (16770, 18607)]