261301920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 192

約数和(自身を含む): 907562880

約数和(自身を除く): 646260960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 220, 240, 242, 264, 330, 352, 363, 409, 440, 480, 484, 528, 605, 660, 726, 818, 880, 968, 1056, 1210, 1227, 1320, 1331, 1452, 1636, 1760, 1815, 1936, 2045, 2420, 2454, 2640, 2662, 2904, 3272, 3630, 3872, 3993, 4090, 4499, 4840, 4908, 5280, 5324, 5808, 6135, 6544, 6655, 7260, 7986, 8180, 8998, 9680, 9816, 10648, 11616, 12270, 13088, 13310, 13497, 14520, 15972, 16360, 17996, 19360, 19632, 19965, 21296, 22495, 24540, 26620, 26994, 29040, 31944, 32720, 35992, 39264, 39930, 42592, 44990, 49080, 49489, 53240, 53988, 58080, 63888, 65440, 67485, 71984, 79860, 89980, 98160, 98978, 106480, 107976, 127776, 134970, 143968, 148467, 159720, 179960, 196320, 197956, 212960, 215952, 247445, 269940, 296934, 319440, 359920, 395912, 431904, 494890, 539880, 544379, 593868, 638880, 719840, 742335, 791824, 989780, 1079760, 1088758, 1187736, 1484670, 1583648, 1633137, 1979560, 2159520, 2177516, 2375472, 2721895, 2969340, 3266274, 3959120, 4355032, 4750944, 5443790, 5938680, 6532548, 7918240, 8165685, 8710064, 10887580, 11877360, 13065096, 16331370, 17420128, 21775160, 23754720, 26130192, 32662740, 43550320, 52260384, 65325480, 87100640, 130650960, 261301920]

約数ペア:

[(1, 261301920), (2, 130650960), (3, 87100640), (4, 65325480), (5, 52260384), (6, 43550320), (8, 32662740), (10, 26130192), (11, 23754720), (12, 21775160), (15, 17420128), (16, 16331370), (20, 13065096), (22, 11877360), (24, 10887580), (30, 8710064), (32, 8165685), (33, 7918240), (40, 6532548), (44, 5938680), (48, 5443790), (55, 4750944), (60, 4355032), (66, 3959120), (80, 3266274), (88, 2969340), (96, 2721895), (110, 2375472), (120, 2177516), (121, 2159520), (132, 1979560), (160, 1633137), (165, 1583648), (176, 1484670), (220, 1187736), (240, 1088758), (242, 1079760), (264, 989780), (330, 791824), (352, 742335), (363, 719840), (409, 638880), (440, 593868), (480, 544379), (484, 539880), (528, 494890), (605, 431904), (660, 395912), (726, 359920), (818, 319440), (880, 296934), (968, 269940), (1056, 247445), (1210, 215952), (1227, 212960), (1320, 197956), (1331, 196320), (1452, 179960), (1636, 159720), (1760, 148467), (1815, 143968), (1936, 134970), (2045, 127776), (2420, 107976), (2454, 106480), (2640, 98978), (2662, 98160), (2904, 89980), (3272, 79860), (3630, 71984), (3872, 67485), (3993, 65440), (4090, 63888), (4499, 58080), (4840, 53988), (4908, 53240), (5280, 49489), (5324, 49080), (5808, 44990), (6135, 42592), (6544, 39930), (6655, 39264), (7260, 35992), (7986, 32720), (8180, 31944), (8998, 29040), (9680, 26994), (9816, 26620), (10648, 24540), (11616, 22495), (12270, 21296), (13088, 19965), (13310, 19632), (13497, 19360), (14520, 17996), (15972, 16360)]