31228560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3973

約数の個数: 120

約数和(自身を含む): 114439104

約数和(自身を除く): 83210544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3943, 3960, 7886, 7920, 11829, 15772, 19715, 23658, 31544, 35487, 39430, 43373, 47316, 59145, 63088, 70974, 78860, 86746, 94632, 118290, 130119, 141948, 157720, 173492, 177435, 189264, 216865, 236580, 260238, 283896, 315440, 346984, 354870, 390357, 433730, 473160, 520476, 567792, 650595, 693968, 709740, 780714, 867460, 946320, 1040952, 1301190, 1419480, 1561428, 1734920, 1951785, 2081904, 2602380, 2838960, 3122856, 3469840, 3903570, 5204760, 6245712, 7807140, 10409520, 15614280, 31228560]

約数ペア:

[(1, 31228560), (2, 15614280), (3, 10409520), (4, 7807140), (5, 6245712), (6, 5204760), (8, 3903570), (9, 3469840), (10, 3122856), (11, 2838960), (12, 2602380), (15, 2081904), (16, 1951785), (18, 1734920), (20, 1561428), (22, 1419480), (24, 1301190), (30, 1040952), (33, 946320), (36, 867460), (40, 780714), (44, 709740), (45, 693968), (48, 650595), (55, 567792), (60, 520476), (66, 473160), (72, 433730), (80, 390357), (88, 354870), (90, 346984), (99, 315440), (110, 283896), (120, 260238), (132, 236580), (144, 216865), (165, 189264), (176, 177435), (180, 173492), (198, 157720), (220, 141948), (240, 130119), (264, 118290), (330, 94632), (360, 86746), (396, 78860), (440, 70974), (495, 63088), (528, 59145), (660, 47316), (720, 43373), (792, 39430), (880, 35487), (990, 31544), (1320, 23658), (1584, 19715), (1980, 15772), (2640, 11829), (3943, 7920), (3960, 7886)]