1645128960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1667}}^1$

素因数の和:1948

約数の個数: 144

約数和(自身を含む): 5277738816

約数和(自身を除く): 3632609856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 257, 320, 384, 480, 514, 640, 768, 771, 960, 1028, 1280, 1285, 1542, 1667, 1920, 2056, 2570, 3084, 3334, 3840, 3855, 4112, 5001, 5140, 6168, 6668, 7710, 8224, 8335, 10002, 10280, 12336, 13336, 15420, 16448, 16670, 20004, 20560, 24672, 25005, 26672, 30840, 32896, 33340, 40008, 41120, 49344, 50010, 53344, 61680, 65792, 66680, 80016, 82240, 98688, 100020, 106688, 123360, 133360, 160032, 164480, 197376, 200040, 213376, 246720, 266720, 320064, 328960, 400080, 426752, 428419, 493440, 533440, 640128, 800160, 856838, 986880, 1066880, 1280256, 1285257, 1600320, 1713676, 2133760, 2142095, 2570514, 3200640, 3427352, 4284190, 5141028, 6401280, 6426285, 6854704, 8568380, 10282056, 12852570, 13709408, 17136760, 20564112, 25705140, 27418816, 34273520, 41128224, 51410280, 54837632, 68547040, 82256448, 102820560, 109675264, 137094080, 164512896, 205641120, 274188160, 329025792, 411282240, 548376320, 822564480, 1645128960]

約数ペア:

[(1, 1645128960), (2, 822564480), (3, 548376320), (4, 411282240), (5, 329025792), (6, 274188160), (8, 205641120), (10, 164512896), (12, 137094080), (15, 109675264), (16, 102820560), (20, 82256448), (24, 68547040), (30, 54837632), (32, 51410280), (40, 41128224), (48, 34273520), (60, 27418816), (64, 25705140), (80, 20564112), (96, 17136760), (120, 13709408), (128, 12852570), (160, 10282056), (192, 8568380), (240, 6854704), (256, 6426285), (257, 6401280), (320, 5141028), (384, 4284190), (480, 3427352), (514, 3200640), (640, 2570514), (768, 2142095), (771, 2133760), (960, 1713676), (1028, 1600320), (1280, 1285257), (1285, 1280256), (1542, 1066880), (1667, 986880), (1920, 856838), (2056, 800160), (2570, 640128), (3084, 533440), (3334, 493440), (3840, 428419), (3855, 426752), (4112, 400080), (5001, 328960), (5140, 320064), (6168, 266720), (6668, 246720), (7710, 213376), (8224, 200040), (8335, 197376), (10002, 164480), (10280, 160032), (12336, 133360), (13336, 123360), (15420, 106688), (16448, 100020), (16670, 98688), (20004, 82240), (20560, 80016), (24672, 66680), (25005, 65792), (26672, 61680), (30840, 53344), (32896, 50010), (33340, 49344), (40008, 41120)]