656101440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:989

約数の個数: 168

約数和(自身を含む): 2266294680

約数和(自身を除く): 1610193240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 409, 480, 557, 576, 720, 818, 960, 1114, 1227, 1440, 1636, 1671, 2045, 2228, 2454, 2785, 2880, 3272, 3342, 3681, 4090, 4456, 4908, 5013, 5570, 6135, 6544, 6684, 7362, 8180, 8355, 8912, 9816, 10026, 11140, 12270, 13088, 13368, 14724, 16360, 16710, 17824, 18405, 19632, 20052, 22280, 24540, 25065, 26176, 26736, 29448, 32720, 33420, 35648, 36810, 39264, 40104, 44560, 49080, 50130, 53472, 58896, 65440, 66840, 73620, 78528, 80208, 89120, 98160, 100260, 106944, 117792, 130880, 133680, 147240, 160416, 178240, 196320, 200520, 227813, 235584, 267360, 294480, 320832, 392640, 401040, 455626, 534720, 588960, 683439, 802080, 911252, 1139065, 1177920, 1366878, 1604160, 1822504, 2050317, 2278130, 2733756, 3417195, 3645008, 4100634, 4556260, 5467512, 6834390, 7290016, 8201268, 9112520, 10251585, 10935024, 13668780, 14580032, 16402536, 18225040, 20503170, 21870048, 27337560, 32805072, 36450080, 41006340, 43740096, 54675120, 65610144, 72900160, 82012680, 109350240, 131220288, 164025360, 218700480, 328050720, 656101440]

約数ペア:

[(1, 656101440), (2, 328050720), (3, 218700480), (4, 164025360), (5, 131220288), (6, 109350240), (8, 82012680), (9, 72900160), (10, 65610144), (12, 54675120), (15, 43740096), (16, 41006340), (18, 36450080), (20, 32805072), (24, 27337560), (30, 21870048), (32, 20503170), (36, 18225040), (40, 16402536), (45, 14580032), (48, 13668780), (60, 10935024), (64, 10251585), (72, 9112520), (80, 8201268), (90, 7290016), (96, 6834390), (120, 5467512), (144, 4556260), (160, 4100634), (180, 3645008), (192, 3417195), (240, 2733756), (288, 2278130), (320, 2050317), (360, 1822504), (409, 1604160), (480, 1366878), (557, 1177920), (576, 1139065), (720, 911252), (818, 802080), (960, 683439), (1114, 588960), (1227, 534720), (1440, 455626), (1636, 401040), (1671, 392640), (2045, 320832), (2228, 294480), (2454, 267360), (2785, 235584), (2880, 227813), (3272, 200520), (3342, 196320), (3681, 178240), (4090, 160416), (4456, 147240), (4908, 133680), (5013, 130880), (5570, 117792), (6135, 106944), (6544, 100260), (6684, 98160), (7362, 89120), (8180, 80208), (8355, 78528), (8912, 73620), (9816, 66840), (10026, 65440), (11140, 58896), (12270, 53472), (13088, 50130), (13368, 49080), (14724, 44560), (16360, 40104), (16710, 39264), (17824, 36810), (18405, 35648), (19632, 33420), (20052, 32720), (22280, 29448), (24540, 26736), (25065, 26176)]