361281440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 956261376

約数和(自身を除く): 594979936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 248, 260, 310, 338, 403, 416, 431, 496, 520, 620, 676, 806, 845, 862, 992, 1040, 1240, 1352, 1612, 1690, 1724, 2015, 2080, 2155, 2480, 2704, 3224, 3380, 3448, 4030, 4310, 4960, 5239, 5408, 5603, 6448, 6760, 6896, 8060, 8620, 10478, 11206, 12896, 13361, 13520, 13792, 16120, 17240, 20956, 22412, 26195, 26722, 27040, 28015, 32240, 34480, 41912, 44824, 52390, 53444, 56030, 64480, 66805, 68960, 72839, 83824, 89648, 104780, 106888, 112060, 133610, 145678, 167648, 173693, 179296, 209560, 213776, 224120, 267220, 291356, 347386, 364195, 419120, 427552, 448240, 534440, 582712, 694772, 728390, 838240, 868465, 896480, 1068880, 1165424, 1389544, 1456780, 1736930, 2137760, 2258009, 2330848, 2779088, 2913560, 3473860, 4516018, 5558176, 5827120, 6947720, 9032036, 11290045, 11654240, 13895440, 18064072, 22580090, 27790880, 36128144, 45160180, 72256288, 90320360, 180640720, 361281440]

約数ペア:

[(1, 361281440), (2, 180640720), (4, 90320360), (5, 72256288), (8, 45160180), (10, 36128144), (13, 27790880), (16, 22580090), (20, 18064072), (26, 13895440), (31, 11654240), (32, 11290045), (40, 9032036), (52, 6947720), (62, 5827120), (65, 5558176), (80, 4516018), (104, 3473860), (124, 2913560), (130, 2779088), (155, 2330848), (160, 2258009), (169, 2137760), (208, 1736930), (248, 1456780), (260, 1389544), (310, 1165424), (338, 1068880), (403, 896480), (416, 868465), (431, 838240), (496, 728390), (520, 694772), (620, 582712), (676, 534440), (806, 448240), (845, 427552), (862, 419120), (992, 364195), (1040, 347386), (1240, 291356), (1352, 267220), (1612, 224120), (1690, 213776), (1724, 209560), (2015, 179296), (2080, 173693), (2155, 167648), (2480, 145678), (2704, 133610), (3224, 112060), (3380, 106888), (3448, 104780), (4030, 89648), (4310, 83824), (4960, 72839), (5239, 68960), (5408, 66805), (5603, 64480), (6448, 56030), (6760, 53444), (6896, 52390), (8060, 44824), (8620, 41912), (10478, 34480), (11206, 32240), (12896, 28015), (13361, 27040), (13520, 26722), (13792, 26195), (16120, 22412), (17240, 20956)]