19221120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 49518720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 71, 72, 80, 90, 94, 96, 120, 128, 141, 142, 144, 160, 180, 188, 192, 213, 235, 240, 282, 284, 288, 320, 355, 360, 376, 384, 423, 426, 470, 480, 564, 568, 576, 639, 640, 705, 710, 720, 752, 846, 852, 940, 960, 1065, 1128, 1136, 1152, 1278, 1410, 1420, 1440, 1504, 1692, 1704, 1880, 1920, 2115, 2130, 2256, 2272, 2556, 2820, 2840, 2880, 3008, 3195, 3337, 3384, 3408, 3760, 4230, 4260, 4512, 4544, 5112, 5640, 5680, 5760, 6016, 6390, 6674, 6768, 6816, 7520, 8460, 8520, 9024, 9088, 10011, 10224, 11280, 11360, 12780, 13348, 13536, 13632, 15040, 16685, 16920, 17040, 18048, 20022, 20448, 22560, 22720, 25560, 26696, 27072, 27264, 30033, 30080, 33370, 33840, 34080, 40044, 40896, 45120, 45440, 50055, 51120, 53392, 54144, 60066, 66740, 67680, 68160, 80088, 81792, 90240, 100110, 102240, 106784, 120132, 133480, 135360, 136320, 150165, 160176, 200220, 204480, 213568, 240264, 266960, 270720, 300330, 320352, 400440, 408960, 427136, 480528, 533920, 600660, 640704, 800880, 961056, 1067840, 1201320, 1281408, 1601760, 1922112, 2135680, 2402640, 3203520, 3844224, 4805280, 6407040, 9610560, 19221120]

約数ペア:

[(1, 19221120), (2, 9610560), (3, 6407040), (4, 4805280), (5, 3844224), (6, 3203520), (8, 2402640), (9, 2135680), (10, 1922112), (12, 1601760), (15, 1281408), (16, 1201320), (18, 1067840), (20, 961056), (24, 800880), (30, 640704), (32, 600660), (36, 533920), (40, 480528), (45, 427136), (47, 408960), (48, 400440), (60, 320352), (64, 300330), (71, 270720), (72, 266960), (80, 240264), (90, 213568), (94, 204480), (96, 200220), (120, 160176), (128, 150165), (141, 136320), (142, 135360), (144, 133480), (160, 120132), (180, 106784), (188, 102240), (192, 100110), (213, 90240), (235, 81792), (240, 80088), (282, 68160), (284, 67680), (288, 66740), (320, 60066), (355, 54144), (360, 53392), (376, 51120), (384, 50055), (423, 45440), (426, 45120), (470, 40896), (480, 40044), (564, 34080), (568, 33840), (576, 33370), (639, 30080), (640, 30033), (705, 27264), (710, 27072), (720, 26696), (752, 25560), (846, 22720), (852, 22560), (940, 20448), (960, 20022), (1065, 18048), (1128, 17040), (1136, 16920), (1152, 16685), (1278, 15040), (1410, 13632), (1420, 13536), (1440, 13348), (1504, 12780), (1692, 11360), (1704, 11280), (1880, 10224), (1920, 10011), (2115, 9088), (2130, 9024), (2256, 8520), (2272, 8460), (2556, 7520), (2820, 6816), (2840, 6768), (2880, 6674), (3008, 6390), (3195, 6016), (3337, 5760), (3384, 5680), (3408, 5640), (3760, 5112), (4230, 4544), (4260, 4512)]