237802240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 634588416

約数和(自身を除く): 396786176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 461, 496, 520, 620, 640, 806, 832, 922, 992, 1040, 1240, 1280, 1612, 1664, 1844, 1984, 2015, 2080, 2305, 2480, 3224, 3328, 3688, 3968, 4030, 4160, 4610, 4960, 5993, 6448, 7376, 7936, 8060, 8320, 9220, 9920, 11986, 12896, 14291, 14752, 16120, 16640, 18440, 19840, 23972, 25792, 28582, 29504, 29965, 32240, 36880, 39680, 47944, 51584, 57164, 59008, 59930, 64480, 71455, 73760, 95888, 103168, 114328, 118016, 119860, 128960, 142910, 147520, 185783, 191776, 228656, 239720, 257920, 285820, 295040, 371566, 383552, 457312, 479440, 515840, 571640, 590080, 743132, 767104, 914624, 928915, 958880, 1143280, 1486264, 1534208, 1829248, 1857830, 1917760, 2286560, 2972528, 3658496, 3715660, 3835520, 4573120, 5945056, 7431320, 7671040, 9146240, 11890112, 14862640, 18292480, 23780224, 29725280, 47560448, 59450560, 118901120, 237802240]

約数ペア:

[(1, 237802240), (2, 118901120), (4, 59450560), (5, 47560448), (8, 29725280), (10, 23780224), (13, 18292480), (16, 14862640), (20, 11890112), (26, 9146240), (31, 7671040), (32, 7431320), (40, 5945056), (52, 4573120), (62, 3835520), (64, 3715660), (65, 3658496), (80, 2972528), (104, 2286560), (124, 1917760), (128, 1857830), (130, 1829248), (155, 1534208), (160, 1486264), (208, 1143280), (248, 958880), (256, 928915), (260, 914624), (310, 767104), (320, 743132), (403, 590080), (416, 571640), (461, 515840), (496, 479440), (520, 457312), (620, 383552), (640, 371566), (806, 295040), (832, 285820), (922, 257920), (992, 239720), (1040, 228656), (1240, 191776), (1280, 185783), (1612, 147520), (1664, 142910), (1844, 128960), (1984, 119860), (2015, 118016), (2080, 114328), (2305, 103168), (2480, 95888), (3224, 73760), (3328, 71455), (3688, 64480), (3968, 59930), (4030, 59008), (4160, 57164), (4610, 51584), (4960, 47944), (5993, 39680), (6448, 36880), (7376, 32240), (7936, 29965), (8060, 29504), (8320, 28582), (9220, 25792), (9920, 23972), (11986, 19840), (12896, 18440), (14291, 16640), (14752, 16120)]