278598720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 224

約数和(自身を含む): 960778368

約数和(自身を除く): 682179648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 64, 68, 80, 85, 86, 96, 102, 120, 129, 136, 160, 170, 172, 192, 204, 215, 240, 255, 258, 272, 320, 340, 344, 397, 408, 430, 480, 510, 516, 544, 645, 680, 688, 731, 794, 816, 860, 960, 1020, 1032, 1088, 1191, 1290, 1360, 1376, 1462, 1588, 1632, 1720, 1985, 2040, 2064, 2193, 2382, 2580, 2720, 2752, 2924, 3176, 3264, 3440, 3655, 3970, 4080, 4128, 4386, 4764, 5160, 5440, 5848, 5955, 6352, 6749, 6880, 7310, 7940, 8160, 8256, 8772, 9528, 10320, 10965, 11696, 11910, 12704, 13498, 13760, 14620, 15880, 16320, 17071, 17544, 19056, 20247, 20640, 21930, 23392, 23820, 25408, 26996, 29240, 31760, 33745, 34142, 35088, 38112, 40494, 41280, 43860, 46784, 47640, 51213, 53992, 58480, 63520, 67490, 68284, 70176, 76224, 80988, 85355, 87720, 95280, 101235, 102426, 107984, 116960, 127040, 134980, 136568, 140352, 161976, 170710, 175440, 190560, 202470, 204852, 215968, 233920, 256065, 269960, 273136, 290207, 323952, 341420, 350880, 381120, 404940, 409704, 431936, 512130, 539920, 546272, 580414, 647904, 682840, 701760, 809880, 819408, 870621, 1024260, 1079840, 1092544, 1160828, 1295808, 1365680, 1451035, 1619760, 1638816, 1741242, 2048520, 2159680, 2321656, 2731360, 2902070, 3239520, 3277632, 3482484, 4097040, 4353105, 4643312, 5462720, 5804140, 6479040, 6964968, 8194080, 8706210, 9286624, 11608280, 13929936, 16388160, 17412420, 18573248, 23216560, 27859872, 34824840, 46433120, 55719744, 69649680, 92866240, 139299360, 278598720]

約数ペア:

[(1, 278598720), (2, 139299360), (3, 92866240), (4, 69649680), (5, 55719744), (6, 46433120), (8, 34824840), (10, 27859872), (12, 23216560), (15, 18573248), (16, 17412420), (17, 16388160), (20, 13929936), (24, 11608280), (30, 9286624), (32, 8706210), (34, 8194080), (40, 6964968), (43, 6479040), (48, 5804140), (51, 5462720), (60, 4643312), (64, 4353105), (68, 4097040), (80, 3482484), (85, 3277632), (86, 3239520), (96, 2902070), (102, 2731360), (120, 2321656), (129, 2159680), (136, 2048520), (160, 1741242), (170, 1638816), (172, 1619760), (192, 1451035), (204, 1365680), (215, 1295808), (240, 1160828), (255, 1092544), (258, 1079840), (272, 1024260), (320, 870621), (340, 819408), (344, 809880), (397, 701760), (408, 682840), (430, 647904), (480, 580414), (510, 546272), (516, 539920), (544, 512130), (645, 431936), (680, 409704), (688, 404940), (731, 381120), (794, 350880), (816, 341420), (860, 323952), (960, 290207), (1020, 273136), (1032, 269960), (1088, 256065), (1191, 233920), (1290, 215968), (1360, 204852), (1376, 202470), (1462, 190560), (1588, 175440), (1632, 170710), (1720, 161976), (1985, 140352), (2040, 136568), (2064, 134980), (2193, 127040), (2382, 116960), (2580, 107984), (2720, 102426), (2752, 101235), (2924, 95280), (3176, 87720), (3264, 85355), (3440, 80988), (3655, 76224), (3970, 70176), (4080, 68284), (4128, 67490), (4386, 63520), (4764, 58480), (5160, 53992), (5440, 51213), (5848, 47640), (5955, 46784), (6352, 43860), (6749, 41280), (6880, 40494), (7310, 38112), (7940, 35088), (8160, 34142), (8256, 33745), (8772, 31760), (9528, 29240), (10320, 26996), (10965, 25408), (11696, 23820), (11910, 23392), (12704, 21930), (13498, 20640), (13760, 20247), (14620, 19056), (15880, 17544), (16320, 17071)]