42256980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 136805760

約数和(自身を除く): 94548780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 138, 173, 177, 180, 207, 230, 236, 276, 295, 345, 346, 354, 414, 460, 519, 531, 590, 690, 692, 708, 828, 865, 885, 1035, 1038, 1062, 1180, 1357, 1380, 1557, 1730, 1770, 2070, 2076, 2124, 2595, 2655, 2714, 3114, 3460, 3540, 3979, 4071, 4140, 5190, 5310, 5428, 6228, 6785, 7785, 7958, 8142, 10207, 10380, 10620, 11937, 12213, 13570, 15570, 15916, 16284, 19895, 20355, 20414, 23874, 24426, 27140, 30621, 31140, 35811, 39790, 40710, 40828, 47748, 48852, 51035, 59685, 61065, 61242, 71622, 79580, 81420, 91863, 102070, 119370, 122130, 122484, 143244, 153105, 179055, 183726, 204140, 234761, 238740, 244260, 306210, 358110, 367452, 459315, 469522, 612420, 704283, 716220, 918630, 939044, 1173805, 1408566, 1837260, 2112849, 2347610, 2817132, 3521415, 4225698, 4695220, 7042830, 8451396, 10564245, 14085660, 21128490, 42256980]

約数ペア:

[(1, 42256980), (2, 21128490), (3, 14085660), (4, 10564245), (5, 8451396), (6, 7042830), (9, 4695220), (10, 4225698), (12, 3521415), (15, 2817132), (18, 2347610), (20, 2112849), (23, 1837260), (30, 1408566), (36, 1173805), (45, 939044), (46, 918630), (59, 716220), (60, 704283), (69, 612420), (90, 469522), (92, 459315), (115, 367452), (118, 358110), (138, 306210), (173, 244260), (177, 238740), (180, 234761), (207, 204140), (230, 183726), (236, 179055), (276, 153105), (295, 143244), (345, 122484), (346, 122130), (354, 119370), (414, 102070), (460, 91863), (519, 81420), (531, 79580), (590, 71622), (690, 61242), (692, 61065), (708, 59685), (828, 51035), (865, 48852), (885, 47748), (1035, 40828), (1038, 40710), (1062, 39790), (1180, 35811), (1357, 31140), (1380, 30621), (1557, 27140), (1730, 24426), (1770, 23874), (2070, 20414), (2076, 20355), (2124, 19895), (2595, 16284), (2655, 15916), (2714, 15570), (3114, 13570), (3460, 12213), (3540, 11937), (3979, 10620), (4071, 10380), (4140, 10207), (5190, 8142), (5310, 7958), (5428, 7785), (6228, 6785)]