281109120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3571}}^1$

素因数の和:3634

約数の個数: 128

約数和(自身を含む): 918146880

約数和(自身を除く): 637037760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3571, 3936, 4920, 5248, 6560, 7142, 7872, 9840, 10713, 13120, 14284, 15744, 17855, 19680, 21426, 26240, 28568, 35710, 39360, 42852, 53565, 57136, 71420, 78720, 85704, 107130, 114272, 142840, 146411, 171408, 214260, 228544, 285680, 292822, 342816, 428520, 439233, 457088, 571360, 585644, 685632, 732055, 857040, 878466, 1142720, 1171288, 1371264, 1464110, 1714080, 1756932, 2196165, 2285440, 2342576, 2928220, 3428160, 3513864, 4392330, 4685152, 5856440, 6856320, 7027728, 8784660, 9370304, 11712880, 14055456, 17569320, 18740608, 23425760, 28110912, 35138640, 46851520, 56221824, 70277280, 93703040, 140554560, 281109120]

約数ペア:

[(1, 281109120), (2, 140554560), (3, 93703040), (4, 70277280), (5, 56221824), (6, 46851520), (8, 35138640), (10, 28110912), (12, 23425760), (15, 18740608), (16, 17569320), (20, 14055456), (24, 11712880), (30, 9370304), (32, 8784660), (40, 7027728), (41, 6856320), (48, 5856440), (60, 4685152), (64, 4392330), (80, 3513864), (82, 3428160), (96, 2928220), (120, 2342576), (123, 2285440), (128, 2196165), (160, 1756932), (164, 1714080), (192, 1464110), (205, 1371264), (240, 1171288), (246, 1142720), (320, 878466), (328, 857040), (384, 732055), (410, 685632), (480, 585644), (492, 571360), (615, 457088), (640, 439233), (656, 428520), (820, 342816), (960, 292822), (984, 285680), (1230, 228544), (1312, 214260), (1640, 171408), (1920, 146411), (1968, 142840), (2460, 114272), (2624, 107130), (3280, 85704), (3571, 78720), (3936, 71420), (4920, 57136), (5248, 53565), (6560, 42852), (7142, 39360), (7872, 35710), (9840, 28568), (10713, 26240), (13120, 21426), (14284, 19680), (15744, 17855)]