1229700120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13121}}^1$

素因数の和:13217

約数の個数: 128

約数和(自身を含む): 4081466880

約数和(自身を除く): 2851766760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2343, 2840, 3124, 3905, 4260, 4686, 6248, 7810, 8520, 9372, 11715, 13121, 15620, 18744, 23430, 26242, 31240, 39363, 46860, 52484, 65605, 78726, 93720, 104968, 131210, 144331, 157452, 196815, 262420, 288662, 314904, 393630, 432993, 524840, 577324, 721655, 787260, 865986, 931591, 1154648, 1443310, 1574520, 1731972, 1863182, 2164965, 2794773, 2886620, 3463944, 3726364, 4329930, 4657955, 5589546, 5773240, 7452728, 8659860, 9315910, 10247501, 11179092, 13973865, 17319720, 18631820, 20495002, 22358184, 27947730, 30742503, 37263640, 40990004, 51237505, 55895460, 61485006, 81980008, 102475010, 111790920, 122970012, 153712515, 204950020, 245940024, 307425030, 409900040, 614850060, 1229700120]

約数ペア:

[(1, 1229700120), (2, 614850060), (3, 409900040), (4, 307425030), (5, 245940024), (6, 204950020), (8, 153712515), (10, 122970012), (11, 111790920), (12, 102475010), (15, 81980008), (20, 61485006), (22, 55895460), (24, 51237505), (30, 40990004), (33, 37263640), (40, 30742503), (44, 27947730), (55, 22358184), (60, 20495002), (66, 18631820), (71, 17319720), (88, 13973865), (110, 11179092), (120, 10247501), (132, 9315910), (142, 8659860), (165, 7452728), (213, 5773240), (220, 5589546), (264, 4657955), (284, 4329930), (330, 3726364), (355, 3463944), (426, 2886620), (440, 2794773), (568, 2164965), (660, 1863182), (710, 1731972), (781, 1574520), (852, 1443310), (1065, 1154648), (1320, 931591), (1420, 865986), (1562, 787260), (1704, 721655), (2130, 577324), (2343, 524840), (2840, 432993), (3124, 393630), (3905, 314904), (4260, 288662), (4686, 262420), (6248, 196815), (7810, 157452), (8520, 144331), (9372, 131210), (11715, 104968), (13121, 93720), (15620, 78726), (18744, 65605), (23430, 52484), (26242, 46860), (31240, 39363)]