198660840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3331}}^1$

素因数の和:3423

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 492262680

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3331, 3976, 4260, 4970, 5964, 6662, 7455, 8520, 9940, 9993, 11928, 13324, 14910, 16655, 19880, 19986, 23317, 26648, 29820, 33310, 39972, 46634, 49965, 59640, 66620, 69951, 79944, 93268, 99930, 116585, 133240, 139902, 186536, 199860, 233170, 236501, 279804, 349755, 399720, 466340, 473002, 559608, 699510, 709503, 932680, 946004, 1182505, 1399020, 1419006, 1655507, 1892008, 2365010, 2798040, 2838012, 3311014, 3547515, 4730020, 4966521, 5676024, 6622028, 7095030, 8277535, 9460040, 9933042, 13244056, 14190060, 16555070, 19866084, 24832605, 28380120, 33110140, 39732168, 49665210, 66220280, 99330420, 198660840]

約数ペア:

[(1, 198660840), (2, 99330420), (3, 66220280), (4, 49665210), (5, 39732168), (6, 33110140), (7, 28380120), (8, 24832605), (10, 19866084), (12, 16555070), (14, 14190060), (15, 13244056), (20, 9933042), (21, 9460040), (24, 8277535), (28, 7095030), (30, 6622028), (35, 5676024), (40, 4966521), (42, 4730020), (56, 3547515), (60, 3311014), (70, 2838012), (71, 2798040), (84, 2365010), (105, 1892008), (120, 1655507), (140, 1419006), (142, 1399020), (168, 1182505), (210, 946004), (213, 932680), (280, 709503), (284, 699510), (355, 559608), (420, 473002), (426, 466340), (497, 399720), (568, 349755), (710, 279804), (840, 236501), (852, 233170), (994, 199860), (1065, 186536), (1420, 139902), (1491, 133240), (1704, 116585), (1988, 99930), (2130, 93268), (2485, 79944), (2840, 69951), (2982, 66620), (3331, 59640), (3976, 49965), (4260, 46634), (4970, 39972), (5964, 33310), (6662, 29820), (7455, 26648), (8520, 23317), (9940, 19986), (9993, 19880), (11928, 16655), (13324, 14910)]