1665805440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66739}}^1$

素因数の和:66774

約数の個数: 128

約数和(自身を含む): 5718283200

約数和(自身を除く): 4052477760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 66739, 133478, 200217, 266956, 333695, 400434, 533912, 667390, 800868, 867607, 1001085, 1067824, 1334780, 1601736, 1735214, 2002170, 2135648, 2602821, 2669560, 3203472, 3470428, 4004340, 4271296, 4338035, 5205642, 5339120, 6406944, 6940856, 8008680, 8542592, 8676070, 10411284, 10678240, 12813888, 13014105, 13881712, 16017360, 17352140, 20822568, 21356480, 25627776, 26028210, 27763424, 32034720, 34704280, 41645136, 42712960, 52056420, 55526848, 64069440, 69408560, 83290272, 104112840, 111053696, 128138880, 138817120, 166580544, 208225680, 277634240, 333161088, 416451360, 555268480, 832902720, 1665805440]

約数ペア:

[(1, 1665805440), (2, 832902720), (3, 555268480), (4, 416451360), (5, 333161088), (6, 277634240), (8, 208225680), (10, 166580544), (12, 138817120), (13, 128138880), (15, 111053696), (16, 104112840), (20, 83290272), (24, 69408560), (26, 64069440), (30, 55526848), (32, 52056420), (39, 42712960), (40, 41645136), (48, 34704280), (52, 32034720), (60, 27763424), (64, 26028210), (65, 25627776), (78, 21356480), (80, 20822568), (96, 17352140), (104, 16017360), (120, 13881712), (128, 13014105), (130, 12813888), (156, 10678240), (160, 10411284), (192, 8676070), (195, 8542592), (208, 8008680), (240, 6940856), (260, 6406944), (312, 5339120), (320, 5205642), (384, 4338035), (390, 4271296), (416, 4004340), (480, 3470428), (520, 3203472), (624, 2669560), (640, 2602821), (780, 2135648), (832, 2002170), (960, 1735214), (1040, 1601736), (1248, 1334780), (1560, 1067824), (1664, 1001085), (1920, 867607), (2080, 800868), (2496, 667390), (3120, 533912), (4160, 400434), (4992, 333695), (6240, 266956), (8320, 200217), (12480, 133478), (24960, 66739)]