75720420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1151

約数の個数: 120

約数和(自身を含む): 243285504

約数和(自身を除く): 167565084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1087, 1161, 1290, 1548, 1620, 1935, 2174, 2322, 2580, 3261, 3483, 3870, 4348, 4644, 5435, 5805, 6522, 6966, 7740, 9783, 10870, 11610, 13044, 13932, 16305, 17415, 19566, 21740, 23220, 29349, 32610, 34830, 39132, 46741, 48915, 58698, 65220, 69660, 88047, 93482, 97830, 117396, 140223, 146745, 176094, 186964, 195660, 233705, 280446, 293490, 352188, 420669, 440235, 467410, 560892, 586980, 701115, 841338, 880470, 934820, 1262007, 1402230, 1682676, 1760940, 2103345, 2524014, 2804460, 3786021, 4206690, 5048028, 6310035, 7572042, 8413380, 12620070, 15144084, 18930105, 25240140, 37860210, 75720420]

約数ペア:

[(1, 75720420), (2, 37860210), (3, 25240140), (4, 18930105), (5, 15144084), (6, 12620070), (9, 8413380), (10, 7572042), (12, 6310035), (15, 5048028), (18, 4206690), (20, 3786021), (27, 2804460), (30, 2524014), (36, 2103345), (43, 1760940), (45, 1682676), (54, 1402230), (60, 1262007), (81, 934820), (86, 880470), (90, 841338), (108, 701115), (129, 586980), (135, 560892), (162, 467410), (172, 440235), (180, 420669), (215, 352188), (258, 293490), (270, 280446), (324, 233705), (387, 195660), (405, 186964), (430, 176094), (516, 146745), (540, 140223), (645, 117396), (774, 97830), (810, 93482), (860, 88047), (1087, 69660), (1161, 65220), (1290, 58698), (1548, 48915), (1620, 46741), (1935, 39132), (2174, 34830), (2322, 32610), (2580, 29349), (3261, 23220), (3483, 21740), (3870, 19566), (4348, 17415), (4644, 16305), (5435, 13932), (5805, 13044), (6522, 11610), (6966, 10870), (7740, 9783)]