801178880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 2019537408

約数和(自身を除く): 1218358528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 305, 310, 320, 331, 488, 496, 610, 620, 640, 662, 976, 992, 1220, 1240, 1280, 1324, 1655, 1891, 1952, 1984, 2440, 2480, 2648, 3310, 3782, 3904, 3968, 4880, 4960, 5296, 6620, 7564, 7808, 7936, 9455, 9760, 9920, 10261, 10592, 13240, 15128, 15616, 18910, 19520, 19840, 20191, 20522, 21184, 26480, 30256, 37820, 39040, 39680, 40382, 41044, 42368, 51305, 52960, 60512, 75640, 78080, 80764, 82088, 84736, 100955, 102610, 105920, 121024, 151280, 161528, 164176, 201910, 205220, 211840, 242048, 302560, 323056, 328352, 403820, 410440, 423680, 484096, 605120, 625921, 646112, 656704, 807640, 820880, 1210240, 1251842, 1292224, 1313408, 1615280, 1641760, 2420480, 2503684, 2584448, 2626816, 3129605, 3230560, 3283520, 5007368, 5168896, 6259210, 6461120, 6567040, 10014736, 12518420, 12922240, 13134080, 20029472, 25036840, 25844480, 40058944, 50073680, 80117888, 100147360, 160235776, 200294720, 400589440, 801178880]

約数ペア:

[(1, 801178880), (2, 400589440), (4, 200294720), (5, 160235776), (8, 100147360), (10, 80117888), (16, 50073680), (20, 40058944), (31, 25844480), (32, 25036840), (40, 20029472), (61, 13134080), (62, 12922240), (64, 12518420), (80, 10014736), (122, 6567040), (124, 6461120), (128, 6259210), (155, 5168896), (160, 5007368), (244, 3283520), (248, 3230560), (256, 3129605), (305, 2626816), (310, 2584448), (320, 2503684), (331, 2420480), (488, 1641760), (496, 1615280), (610, 1313408), (620, 1292224), (640, 1251842), (662, 1210240), (976, 820880), (992, 807640), (1220, 656704), (1240, 646112), (1280, 625921), (1324, 605120), (1655, 484096), (1891, 423680), (1952, 410440), (1984, 403820), (2440, 328352), (2480, 323056), (2648, 302560), (3310, 242048), (3782, 211840), (3904, 205220), (3968, 201910), (4880, 164176), (4960, 161528), (5296, 151280), (6620, 121024), (7564, 105920), (7808, 102610), (7936, 100955), (9455, 84736), (9760, 82088), (9920, 80764), (10261, 78080), (10592, 75640), (13240, 60512), (15128, 52960), (15616, 51305), (18910, 42368), (19520, 41044), (19840, 40382), (20191, 39680), (20522, 39040), (21184, 37820), (26480, 30256)]