1620699960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17293}}^1$

素因数の和:17389

約数の個数: 128

約数和(自身を含む): 5379125760

約数和(自身を除く): 3758425800

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, 15620, 17293, 18744, 23430, 31240, 34586, 46860, 51879, 69172, 86465, 93720, 103758, 138344, 172930, 190223, 207516, 259395, 345860, 380446, 415032, 518790, 570669, 691720, 760892, 951115, 1037580, 1141338, 1227803, 1521784, 1902230, 2075160, 2282676, 2455606, 2853345, 3683409, 3804460, 4565352, 4911212, 5706690, 6139015, 7366818, 7608920, 9822424, 11413380, 12278030, 13505833, 14733636, 18417045, 22826760, 24556060, 27011666, 29467272, 36834090, 40517499, 49112120, 54023332, 67529165, 73668180, 81034998, 108046664, 135058330, 147336360, 162069996, 202587495, 270116660, 324139992, 405174990, 540233320, 810349980, 1620699960]

約数ペア:

[(1, 1620699960), (2, 810349980), (3, 540233320), (4, 405174990), (5, 324139992), (6, 270116660), (8, 202587495), (10, 162069996), (11, 147336360), (12, 135058330), (15, 108046664), (20, 81034998), (22, 73668180), (24, 67529165), (30, 54023332), (33, 49112120), (40, 40517499), (44, 36834090), (55, 29467272), (60, 27011666), (66, 24556060), (71, 22826760), (88, 18417045), (110, 14733636), (120, 13505833), (132, 12278030), (142, 11413380), (165, 9822424), (213, 7608920), (220, 7366818), (264, 6139015), (284, 5706690), (330, 4911212), (355, 4565352), (426, 3804460), (440, 3683409), (568, 2853345), (660, 2455606), (710, 2282676), (781, 2075160), (852, 1902230), (1065, 1521784), (1320, 1227803), (1420, 1141338), (1562, 1037580), (1704, 951115), (2130, 760892), (2343, 691720), (2840, 570669), (3124, 518790), (3905, 415032), (4260, 380446), (4686, 345860), (6248, 259395), (7810, 207516), (8520, 190223), (9372, 172930), (11715, 138344), (15620, 103758), (17293, 93720), (18744, 86465), (23430, 69172), (31240, 51879), (34586, 46860)]