254631520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 731566080

約数和(自身を除く): 476934560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 176, 208, 220, 248, 260, 286, 310, 341, 352, 359, 403, 416, 440, 496, 520, 572, 620, 682, 715, 718, 806, 880, 992, 1040, 1144, 1240, 1364, 1430, 1436, 1612, 1705, 1760, 1795, 2015, 2080, 2288, 2480, 2728, 2860, 2872, 3224, 3410, 3590, 3949, 4030, 4433, 4576, 4667, 4960, 5456, 5720, 5744, 6448, 6820, 7180, 7898, 8060, 8866, 9334, 10912, 11129, 11440, 11488, 12896, 13640, 14360, 15796, 16120, 17732, 18668, 19745, 22165, 22258, 22880, 23335, 27280, 28720, 31592, 32240, 35464, 37336, 39490, 44330, 44516, 46670, 51337, 54560, 55645, 57440, 63184, 64480, 70928, 74672, 78980, 88660, 89032, 93340, 102674, 111290, 122419, 126368, 141856, 144677, 149344, 157960, 177320, 178064, 186680, 205348, 222580, 244838, 256685, 289354, 315920, 354640, 356128, 373360, 410696, 445160, 489676, 513370, 578708, 612095, 631840, 709280, 723385, 746720, 821392, 890320, 979352, 1026740, 1157416, 1224190, 1446770, 1591447, 1642784, 1780640, 1958704, 2053480, 2314832, 2448380, 2893540, 3182894, 3917408, 4106960, 4629664, 4896760, 5787080, 6365788, 7957235, 8213920, 9793520, 11574160, 12731576, 15914470, 19587040, 23148320, 25463152, 31828940, 50926304, 63657880, 127315760, 254631520]

約数ペア:

[(1, 254631520), (2, 127315760), (4, 63657880), (5, 50926304), (8, 31828940), (10, 25463152), (11, 23148320), (13, 19587040), (16, 15914470), (20, 12731576), (22, 11574160), (26, 9793520), (31, 8213920), (32, 7957235), (40, 6365788), (44, 5787080), (52, 4896760), (55, 4629664), (62, 4106960), (65, 3917408), (80, 3182894), (88, 2893540), (104, 2448380), (110, 2314832), (124, 2053480), (130, 1958704), (143, 1780640), (155, 1642784), (160, 1591447), (176, 1446770), (208, 1224190), (220, 1157416), (248, 1026740), (260, 979352), (286, 890320), (310, 821392), (341, 746720), (352, 723385), (359, 709280), (403, 631840), (416, 612095), (440, 578708), (496, 513370), (520, 489676), (572, 445160), (620, 410696), (682, 373360), (715, 356128), (718, 354640), (806, 315920), (880, 289354), (992, 256685), (1040, 244838), (1144, 222580), (1240, 205348), (1364, 186680), (1430, 178064), (1436, 177320), (1612, 157960), (1705, 149344), (1760, 144677), (1795, 141856), (2015, 126368), (2080, 122419), (2288, 111290), (2480, 102674), (2728, 93340), (2860, 89032), (2872, 88660), (3224, 78980), (3410, 74672), (3590, 70928), (3949, 64480), (4030, 63184), (4433, 57440), (4576, 55645), (4667, 54560), (4960, 51337), (5456, 46670), (5720, 44516), (5744, 44330), (6448, 39490), (6820, 37336), (7180, 35464), (7898, 32240), (8060, 31592), (8866, 28720), (9334, 27280), (10912, 23335), (11129, 22880), (11440, 22258), (11488, 22165), (12896, 19745), (13640, 18668), (14360, 17732), (15796, 16120)]