278653440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2830

約数の個数: 160

約数和(自身を含む): 959688576

約数和(自身を除く): 681035136

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, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2791, 3120, 3328, 3840, 4160, 4992, 5582, 6240, 6656, 7680, 8320, 8373, 9984, 11164, 12480, 13955, 16640, 16746, 19968, 22328, 24960, 27910, 33280, 33492, 36283, 41865, 44656, 49920, 55820, 66984, 72566, 83730, 89312, 99840, 108849, 111640, 133968, 145132, 167460, 178624, 181415, 217698, 223280, 267936, 290264, 334920, 357248, 362830, 435396, 446560, 535872, 544245, 580528, 669840, 714496, 725660, 870792, 893120, 1071744, 1088490, 1161056, 1339680, 1428992, 1451320, 1741584, 1786240, 2143488, 2176980, 2322112, 2679360, 2902640, 3483168, 3572480, 4286976, 4353960, 4644224, 5358720, 5805280, 6966336, 7144960, 8707920, 9288448, 10717440, 11610560, 13932672, 17415840, 18576896, 21434880, 23221120, 27865344, 34831680, 46442240, 55730688, 69663360, 92884480, 139326720, 278653440]

約数ペア:

[(1, 278653440), (2, 139326720), (3, 92884480), (4, 69663360), (5, 55730688), (6, 46442240), (8, 34831680), (10, 27865344), (12, 23221120), (13, 21434880), (15, 18576896), (16, 17415840), (20, 13932672), (24, 11610560), (26, 10717440), (30, 9288448), (32, 8707920), (39, 7144960), (40, 6966336), (48, 5805280), (52, 5358720), (60, 4644224), (64, 4353960), (65, 4286976), (78, 3572480), (80, 3483168), (96, 2902640), (104, 2679360), (120, 2322112), (128, 2176980), (130, 2143488), (156, 1786240), (160, 1741584), (192, 1451320), (195, 1428992), (208, 1339680), (240, 1161056), (256, 1088490), (260, 1071744), (312, 893120), (320, 870792), (384, 725660), (390, 714496), (416, 669840), (480, 580528), (512, 544245), (520, 535872), (624, 446560), (640, 435396), (768, 362830), (780, 357248), (832, 334920), (960, 290264), (1040, 267936), (1248, 223280), (1280, 217698), (1536, 181415), (1560, 178624), (1664, 167460), (1920, 145132), (2080, 133968), (2496, 111640), (2560, 108849), (2791, 99840), (3120, 89312), (3328, 83730), (3840, 72566), (4160, 66984), (4992, 55820), (5582, 49920), (6240, 44656), (6656, 41865), (7680, 36283), (8320, 33492), (8373, 33280), (9984, 27910), (11164, 24960), (12480, 22328), (13955, 19968), (16640, 16746)]