1949304840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{12821}}^1$

素因数の和:13023

約数の個数: 128

約数和(自身を含む): 6720779520

約数和(自身を除く): 4771474680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1448, 1810, 2172, 2534, 2715, 3620, 3801, 4344, 5068, 5430, 6335, 7240, 7602, 10136, 10860, 12670, 12821, 15204, 19005, 21720, 25340, 25642, 30408, 38010, 38463, 50680, 51284, 64105, 76020, 76926, 89747, 102568, 128210, 152040, 153852, 179494, 192315, 256420, 269241, 307704, 358988, 384630, 448735, 512840, 538482, 717976, 769260, 897470, 1076964, 1346205, 1538520, 1794940, 2153928, 2320601, 2692410, 3589880, 4641202, 5384820, 6961803, 9282404, 10769640, 11603005, 13923606, 16244207, 18564808, 23206010, 27847212, 32488414, 34809015, 46412020, 48732621, 55694424, 64976828, 69618030, 81221035, 92824040, 97465242, 129953656, 139236060, 162442070, 194930484, 243663105, 278472120, 324884140, 389860968, 487326210, 649768280, 974652420, 1949304840]

約数ペア:

[(1, 1949304840), (2, 974652420), (3, 649768280), (4, 487326210), (5, 389860968), (6, 324884140), (7, 278472120), (8, 243663105), (10, 194930484), (12, 162442070), (14, 139236060), (15, 129953656), (20, 97465242), (21, 92824040), (24, 81221035), (28, 69618030), (30, 64976828), (35, 55694424), (40, 48732621), (42, 46412020), (56, 34809015), (60, 32488414), (70, 27847212), (84, 23206010), (105, 18564808), (120, 16244207), (140, 13923606), (168, 11603005), (181, 10769640), (210, 9282404), (280, 6961803), (362, 5384820), (420, 4641202), (543, 3589880), (724, 2692410), (840, 2320601), (905, 2153928), (1086, 1794940), (1267, 1538520), (1448, 1346205), (1810, 1076964), (2172, 897470), (2534, 769260), (2715, 717976), (3620, 538482), (3801, 512840), (4344, 448735), (5068, 384630), (5430, 358988), (6335, 307704), (7240, 269241), (7602, 256420), (10136, 192315), (10860, 179494), (12670, 153852), (12821, 152040), (15204, 128210), (19005, 102568), (21720, 89747), (25340, 76926), (25642, 76020), (30408, 64105), (38010, 51284), (38463, 50680)]