64671840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 223449408

約数和(自身を除く): 158777568

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, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 240, 288, 291, 360, 388, 463, 480, 485, 582, 720, 776, 873, 926, 970, 1164, 1389, 1440, 1455, 1552, 1746, 1852, 1940, 2315, 2328, 2778, 2910, 3104, 3492, 3704, 3880, 4167, 4365, 4630, 4656, 5556, 5820, 6945, 6984, 7408, 7760, 8334, 8730, 9260, 9312, 11112, 11640, 13890, 13968, 14816, 15520, 16668, 17460, 18520, 20835, 22224, 23280, 27780, 27936, 33336, 34920, 37040, 41670, 44448, 44911, 46560, 55560, 66672, 69840, 74080, 83340, 89822, 111120, 133344, 134733, 139680, 166680, 179644, 222240, 224555, 269466, 333360, 359288, 404199, 449110, 538932, 666720, 673665, 718576, 808398, 898220, 1077864, 1347330, 1437152, 1616796, 1796440, 2020995, 2155728, 2694660, 3233592, 3592880, 4041990, 4311456, 5389320, 6467184, 7185760, 8083980, 10778640, 12934368, 16167960, 21557280, 32335920, 64671840]

約数ペア:

[(1, 64671840), (2, 32335920), (3, 21557280), (4, 16167960), (5, 12934368), (6, 10778640), (8, 8083980), (9, 7185760), (10, 6467184), (12, 5389320), (15, 4311456), (16, 4041990), (18, 3592880), (20, 3233592), (24, 2694660), (30, 2155728), (32, 2020995), (36, 1796440), (40, 1616796), (45, 1437152), (48, 1347330), (60, 1077864), (72, 898220), (80, 808398), (90, 718576), (96, 673665), (97, 666720), (120, 538932), (144, 449110), (160, 404199), (180, 359288), (194, 333360), (240, 269466), (288, 224555), (291, 222240), (360, 179644), (388, 166680), (463, 139680), (480, 134733), (485, 133344), (582, 111120), (720, 89822), (776, 83340), (873, 74080), (926, 69840), (970, 66672), (1164, 55560), (1389, 46560), (1440, 44911), (1455, 44448), (1552, 41670), (1746, 37040), (1852, 34920), (1940, 33336), (2315, 27936), (2328, 27780), (2778, 23280), (2910, 22224), (3104, 20835), (3492, 18520), (3704, 17460), (3880, 16668), (4167, 15520), (4365, 14816), (4630, 13968), (4656, 13890), (5556, 11640), (5820, 11112), (6945, 9312), (6984, 9260), (7408, 8730), (7760, 8334)]