207975960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 144

約数和(自身を含む): 718380000

約数和(自身を除く): 510404040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 680, 765, 867, 1020, 1156, 1224, 1445, 1530, 1734, 1999, 2040, 2312, 2601, 2890, 3060, 3468, 3998, 4335, 5202, 5780, 5997, 6120, 6936, 7996, 8670, 9995, 10404, 11560, 11994, 13005, 15992, 17340, 17991, 19990, 20808, 23988, 26010, 29985, 33983, 34680, 35982, 39980, 47976, 52020, 59970, 67966, 71964, 79960, 89955, 101949, 104040, 119940, 135932, 143928, 169915, 179910, 203898, 239880, 271864, 305847, 339830, 359820, 407796, 509745, 577711, 611694, 679660, 719640, 815592, 1019490, 1155422, 1223388, 1359320, 1529235, 1733133, 2038980, 2310844, 2446776, 2888555, 3058470, 3466266, 4077960, 4621688, 5199399, 5777110, 6116940, 6932532, 8665665, 10398798, 11554220, 12233880, 13865064, 17331330, 20797596, 23108440, 25996995, 34662660, 41595192, 51993990, 69325320, 103987980, 207975960]

約数ペア:

[(1, 207975960), (2, 103987980), (3, 69325320), (4, 51993990), (5, 41595192), (6, 34662660), (8, 25996995), (9, 23108440), (10, 20797596), (12, 17331330), (15, 13865064), (17, 12233880), (18, 11554220), (20, 10398798), (24, 8665665), (30, 6932532), (34, 6116940), (36, 5777110), (40, 5199399), (45, 4621688), (51, 4077960), (60, 3466266), (68, 3058470), (72, 2888555), (85, 2446776), (90, 2310844), (102, 2038980), (120, 1733133), (136, 1529235), (153, 1359320), (170, 1223388), (180, 1155422), (204, 1019490), (255, 815592), (289, 719640), (306, 679660), (340, 611694), (360, 577711), (408, 509745), (510, 407796), (578, 359820), (612, 339830), (680, 305847), (765, 271864), (867, 239880), (1020, 203898), (1156, 179910), (1224, 169915), (1445, 143928), (1530, 135932), (1734, 119940), (1999, 104040), (2040, 101949), (2312, 89955), (2601, 79960), (2890, 71964), (3060, 67966), (3468, 59970), (3998, 52020), (4335, 47976), (5202, 39980), (5780, 35982), (5997, 34680), (6120, 33983), (6936, 29985), (7996, 26010), (8670, 23988), (9995, 20808), (10404, 19990), (11560, 17991), (11994, 17340), (13005, 15992)]