9917280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 34673184

約数和(自身を除く): 24755904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 97, 120, 142, 144, 160, 180, 194, 213, 240, 284, 288, 291, 355, 360, 388, 426, 480, 485, 568, 582, 639, 710, 720, 776, 852, 873, 970, 1065, 1136, 1164, 1278, 1420, 1440, 1455, 1552, 1704, 1746, 1940, 2130, 2272, 2328, 2556, 2840, 2910, 3104, 3195, 3408, 3492, 3880, 4260, 4365, 4656, 5112, 5680, 5820, 6390, 6816, 6887, 6984, 7760, 8520, 8730, 9312, 10224, 11360, 11640, 12780, 13774, 13968, 15520, 17040, 17460, 20448, 20661, 23280, 25560, 27548, 27936, 34080, 34435, 34920, 41322, 46560, 51120, 55096, 61983, 68870, 69840, 82644, 102240, 103305, 110192, 123966, 137740, 139680, 165288, 206610, 220384, 247932, 275480, 309915, 330576, 413220, 495864, 550960, 619830, 661152, 826440, 991728, 1101920, 1239660, 1652880, 1983456, 2479320, 3305760, 4958640, 9917280]

約数ペア:

[(1, 9917280), (2, 4958640), (3, 3305760), (4, 2479320), (5, 1983456), (6, 1652880), (8, 1239660), (9, 1101920), (10, 991728), (12, 826440), (15, 661152), (16, 619830), (18, 550960), (20, 495864), (24, 413220), (30, 330576), (32, 309915), (36, 275480), (40, 247932), (45, 220384), (48, 206610), (60, 165288), (71, 139680), (72, 137740), (80, 123966), (90, 110192), (96, 103305), (97, 102240), (120, 82644), (142, 69840), (144, 68870), (160, 61983), (180, 55096), (194, 51120), (213, 46560), (240, 41322), (284, 34920), (288, 34435), (291, 34080), (355, 27936), (360, 27548), (388, 25560), (426, 23280), (480, 20661), (485, 20448), (568, 17460), (582, 17040), (639, 15520), (710, 13968), (720, 13774), (776, 12780), (852, 11640), (873, 11360), (970, 10224), (1065, 9312), (1136, 8730), (1164, 8520), (1278, 7760), (1420, 6984), (1440, 6887), (1455, 6816), (1552, 6390), (1704, 5820), (1746, 5680), (1940, 5112), (2130, 4656), (2272, 4365), (2328, 4260), (2556, 3880), (2840, 3492), (2910, 3408), (3104, 3195)]