1226880

素因数分解:

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

素因数の和:99

約数の個数: 128

約数和(自身を含む): 4406400

約数和(自身を除く): 3179520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 270, 284, 288, 320, 355, 360, 384, 426, 432, 480, 540, 568, 576, 639, 640, 710, 720, 852, 864, 960, 1065, 1080, 1136, 1152, 1278, 1420, 1440, 1704, 1728, 1917, 1920, 2130, 2160, 2272, 2556, 2840, 2880, 3195, 3408, 3456, 3834, 4260, 4320, 4544, 5112, 5680, 5760, 6390, 6816, 7668, 8520, 8640, 9088, 9585, 10224, 11360, 12780, 13632, 15336, 17040, 17280, 19170, 20448, 22720, 25560, 27264, 30672, 34080, 38340, 40896, 45440, 51120, 61344, 68160, 76680, 81792, 102240, 122688, 136320, 153360, 204480, 245376, 306720, 408960, 613440, 1226880]

約数ペア:

[(1, 1226880), (2, 613440), (3, 408960), (4, 306720), (5, 245376), (6, 204480), (8, 153360), (9, 136320), (10, 122688), (12, 102240), (15, 81792), (16, 76680), (18, 68160), (20, 61344), (24, 51120), (27, 45440), (30, 40896), (32, 38340), (36, 34080), (40, 30672), (45, 27264), (48, 25560), (54, 22720), (60, 20448), (64, 19170), (71, 17280), (72, 17040), (80, 15336), (90, 13632), (96, 12780), (108, 11360), (120, 10224), (128, 9585), (135, 9088), (142, 8640), (144, 8520), (160, 7668), (180, 6816), (192, 6390), (213, 5760), (216, 5680), (240, 5112), (270, 4544), (284, 4320), (288, 4260), (320, 3834), (355, 3456), (360, 3408), (384, 3195), (426, 2880), (432, 2840), (480, 2556), (540, 2272), (568, 2160), (576, 2130), (639, 1920), (640, 1917), (710, 1728), (720, 1704), (852, 1440), (864, 1420), (960, 1278), (1065, 1152), (1080, 1136)]