1839795440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:991

約数の個数: 160

約数和(自身を含む): 5091102720

約数和(自身を除く): 3251307280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 131, 140, 155, 217, 248, 262, 280, 310, 434, 496, 524, 560, 620, 655, 809, 868, 917, 1048, 1085, 1240, 1310, 1618, 1736, 1834, 2096, 2170, 2480, 2620, 3236, 3472, 3668, 4045, 4061, 4340, 4585, 5240, 5663, 6472, 7336, 8090, 8122, 8680, 9170, 10480, 11326, 12944, 14672, 16180, 16244, 17360, 18340, 20305, 22652, 25079, 28315, 28427, 32360, 32488, 36680, 40610, 45304, 50158, 56630, 56854, 64720, 64976, 73360, 81220, 90608, 100316, 105979, 113260, 113708, 125395, 142135, 162440, 175553, 200632, 211958, 226520, 227416, 250790, 284270, 324880, 351106, 401264, 423916, 453040, 454832, 501580, 529895, 568540, 702212, 741853, 847832, 877765, 1003160, 1059790, 1137080, 1404424, 1483706, 1695664, 1755530, 2006320, 2119580, 2274160, 2808848, 2967412, 3285349, 3511060, 3709265, 4239160, 5934824, 6570698, 7022120, 7418530, 8478320, 11869648, 13141396, 14044240, 14837060, 16426745, 22997443, 26282792, 29674120, 32853490, 45994886, 52565584, 59348240, 65706980, 91989772, 114987215, 131413960, 183979544, 229974430, 262827920, 367959088, 459948860, 919897720, 1839795440]

約数ペア:

[(1, 1839795440), (2, 919897720), (4, 459948860), (5, 367959088), (7, 262827920), (8, 229974430), (10, 183979544), (14, 131413960), (16, 114987215), (20, 91989772), (28, 65706980), (31, 59348240), (35, 52565584), (40, 45994886), (56, 32853490), (62, 29674120), (70, 26282792), (80, 22997443), (112, 16426745), (124, 14837060), (131, 14044240), (140, 13141396), (155, 11869648), (217, 8478320), (248, 7418530), (262, 7022120), (280, 6570698), (310, 5934824), (434, 4239160), (496, 3709265), (524, 3511060), (560, 3285349), (620, 2967412), (655, 2808848), (809, 2274160), (868, 2119580), (917, 2006320), (1048, 1755530), (1085, 1695664), (1240, 1483706), (1310, 1404424), (1618, 1137080), (1736, 1059790), (1834, 1003160), (2096, 877765), (2170, 847832), (2480, 741853), (2620, 702212), (3236, 568540), (3472, 529895), (3668, 501580), (4045, 454832), (4061, 453040), (4340, 423916), (4585, 401264), (5240, 351106), (5663, 324880), (6472, 284270), (7336, 250790), (8090, 227416), (8122, 226520), (8680, 211958), (9170, 200632), (10480, 175553), (11326, 162440), (12944, 142135), (14672, 125395), (16180, 113708), (16244, 113260), (17360, 105979), (18340, 100316), (20305, 90608), (22652, 81220), (25079, 73360), (28315, 64976), (28427, 64720), (32360, 56854), (32488, 56630), (36680, 50158), (40610, 45304)]