90341440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1356

約数の個数: 112

約数和(自身を含む): 253983744

約数和(自身を除く): 163642304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1301, 1736, 1984, 2170, 2240, 2480, 2602, 3472, 4340, 4960, 5204, 6505, 6944, 8680, 9107, 9920, 10408, 13010, 13888, 17360, 18214, 20816, 26020, 34720, 36428, 40331, 41632, 45535, 52040, 69440, 72856, 80662, 83264, 91070, 104080, 145712, 161324, 182140, 201655, 208160, 282317, 291424, 322648, 364280, 403310, 416320, 564634, 582848, 645296, 728560, 806620, 1129268, 1290592, 1411585, 1457120, 1613240, 2258536, 2581184, 2823170, 2914240, 3226480, 4517072, 5646340, 6452960, 9034144, 11292680, 12905920, 18068288, 22585360, 45170720, 90341440]

約数ペア:

[(1, 90341440), (2, 45170720), (4, 22585360), (5, 18068288), (7, 12905920), (8, 11292680), (10, 9034144), (14, 6452960), (16, 5646340), (20, 4517072), (28, 3226480), (31, 2914240), (32, 2823170), (35, 2581184), (40, 2258536), (56, 1613240), (62, 1457120), (64, 1411585), (70, 1290592), (80, 1129268), (112, 806620), (124, 728560), (140, 645296), (155, 582848), (160, 564634), (217, 416320), (224, 403310), (248, 364280), (280, 322648), (310, 291424), (320, 282317), (434, 208160), (448, 201655), (496, 182140), (560, 161324), (620, 145712), (868, 104080), (992, 91070), (1085, 83264), (1120, 80662), (1240, 72856), (1301, 69440), (1736, 52040), (1984, 45535), (2170, 41632), (2240, 40331), (2480, 36428), (2602, 34720), (3472, 26020), (4340, 20816), (4960, 18214), (5204, 17360), (6505, 13888), (6944, 13010), (8680, 10408), (9107, 9920)]