72753280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 189964800

約数和(自身を除く): 117211520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 193, 248, 304, 310, 320, 380, 386, 496, 589, 608, 620, 640, 760, 772, 965, 992, 1178, 1216, 1240, 1520, 1544, 1930, 1984, 2356, 2432, 2480, 2945, 3040, 3088, 3667, 3860, 3968, 4712, 4960, 5890, 5983, 6080, 6176, 7334, 7720, 9424, 9920, 11780, 11966, 12160, 12352, 14668, 15440, 18335, 18848, 19840, 23560, 23932, 24704, 29336, 29915, 30880, 36670, 37696, 47120, 47864, 58672, 59830, 61760, 73340, 75392, 94240, 95728, 113677, 117344, 119660, 123520, 146680, 188480, 191456, 227354, 234688, 239320, 293360, 376960, 382912, 454708, 469376, 478640, 568385, 586720, 765824, 909416, 957280, 1136770, 1173440, 1818832, 1914560, 2273540, 2346880, 3637664, 3829120, 4547080, 7275328, 9094160, 14550656, 18188320, 36376640, 72753280]

約数ペア:

[(1, 72753280), (2, 36376640), (4, 18188320), (5, 14550656), (8, 9094160), (10, 7275328), (16, 4547080), (19, 3829120), (20, 3637664), (31, 2346880), (32, 2273540), (38, 1914560), (40, 1818832), (62, 1173440), (64, 1136770), (76, 957280), (80, 909416), (95, 765824), (124, 586720), (128, 568385), (152, 478640), (155, 469376), (160, 454708), (190, 382912), (193, 376960), (248, 293360), (304, 239320), (310, 234688), (320, 227354), (380, 191456), (386, 188480), (496, 146680), (589, 123520), (608, 119660), (620, 117344), (640, 113677), (760, 95728), (772, 94240), (965, 75392), (992, 73340), (1178, 61760), (1216, 59830), (1240, 58672), (1520, 47864), (1544, 47120), (1930, 37696), (1984, 36670), (2356, 30880), (2432, 29915), (2480, 29336), (2945, 24704), (3040, 23932), (3088, 23560), (3667, 19840), (3860, 18848), (3968, 18335), (4712, 15440), (4960, 14668), (5890, 12352), (5983, 12160), (6080, 11966), (6176, 11780), (7334, 9920), (7720, 9424)]