90771720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1935

約数の個数: 128

約数和(自身を含む): 302883840

約数和(自身を除く): 212112120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 1877, 2015, 2418, 3224, 3720, 3754, 4030, 4836, 5631, 6045, 7508, 8060, 9385, 9672, 11262, 12090, 15016, 16120, 18770, 22524, 24180, 24401, 28155, 37540, 45048, 48360, 48802, 56310, 58187, 73203, 75080, 97604, 112620, 116374, 122005, 146406, 174561, 195208, 225240, 232748, 244010, 290935, 292812, 349122, 366015, 465496, 488020, 581870, 585624, 698244, 732030, 756431, 872805, 976040, 1163740, 1396488, 1464060, 1512862, 1745610, 2269293, 2327480, 2928120, 3025724, 3491220, 3782155, 4538586, 6051448, 6982440, 7564310, 9077172, 11346465, 15128620, 18154344, 22692930, 30257240, 45385860, 90771720]

約数ペア:

[(1, 90771720), (2, 45385860), (3, 30257240), (4, 22692930), (5, 18154344), (6, 15128620), (8, 11346465), (10, 9077172), (12, 7564310), (13, 6982440), (15, 6051448), (20, 4538586), (24, 3782155), (26, 3491220), (30, 3025724), (31, 2928120), (39, 2327480), (40, 2269293), (52, 1745610), (60, 1512862), (62, 1464060), (65, 1396488), (78, 1163740), (93, 976040), (104, 872805), (120, 756431), (124, 732030), (130, 698244), (155, 585624), (156, 581870), (186, 488020), (195, 465496), (248, 366015), (260, 349122), (310, 292812), (312, 290935), (372, 244010), (390, 232748), (403, 225240), (465, 195208), (520, 174561), (620, 146406), (744, 122005), (780, 116374), (806, 112620), (930, 97604), (1209, 75080), (1240, 73203), (1560, 58187), (1612, 56310), (1860, 48802), (1877, 48360), (2015, 45048), (2418, 37540), (3224, 28155), (3720, 24401), (3754, 24180), (4030, 22524), (4836, 18770), (5631, 16120), (6045, 15016), (7508, 12090), (8060, 11262), (9385, 9672)]