255862320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21757}}^1$

素因数の和:21787

約数の個数: 120

約数和(自身を含む): 922713264

約数和(自身を除く): 666850944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21757, 43514, 65271, 87028, 108785, 130542, 152299, 174056, 217570, 261084, 304598, 326355, 348112, 435140, 456897, 522168, 609196, 652710, 761495, 870280, 913794, 1044336, 1066093, 1218392, 1305420, 1522990, 1740560, 1827588, 2132186, 2284485, 2436784, 2610840, 3045980, 3198279, 3655176, 4264372, 4568970, 5221680, 5330465, 6091960, 6396558, 7310352, 8528744, 9137940, 10660930, 12183920, 12793116, 15991395, 17057488, 18275880, 21321860, 25586232, 31982790, 36551760, 42643720, 51172464, 63965580, 85287440, 127931160, 255862320]

約数ペア:

[(1, 255862320), (2, 127931160), (3, 85287440), (4, 63965580), (5, 51172464), (6, 42643720), (7, 36551760), (8, 31982790), (10, 25586232), (12, 21321860), (14, 18275880), (15, 17057488), (16, 15991395), (20, 12793116), (21, 12183920), (24, 10660930), (28, 9137940), (30, 8528744), (35, 7310352), (40, 6396558), (42, 6091960), (48, 5330465), (49, 5221680), (56, 4568970), (60, 4264372), (70, 3655176), (80, 3198279), (84, 3045980), (98, 2610840), (105, 2436784), (112, 2284485), (120, 2132186), (140, 1827588), (147, 1740560), (168, 1522990), (196, 1305420), (210, 1218392), (240, 1066093), (245, 1044336), (280, 913794), (294, 870280), (336, 761495), (392, 652710), (420, 609196), (490, 522168), (560, 456897), (588, 435140), (735, 348112), (784, 326355), (840, 304598), (980, 261084), (1176, 217570), (1470, 174056), (1680, 152299), (1960, 130542), (2352, 108785), (2940, 87028), (3920, 65271), (5880, 43514), (11760, 21757)]