72045120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 224

約数和(自身を含む): 266858496

約数和(自身を除く): 194813376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 151, 160, 168, 192, 210, 213, 224, 240, 280, 284, 302, 320, 336, 355, 420, 426, 448, 453, 480, 497, 560, 568, 604, 672, 710, 755, 840, 852, 906, 960, 994, 1057, 1065, 1120, 1136, 1208, 1344, 1420, 1491, 1510, 1680, 1704, 1812, 1988, 2114, 2130, 2240, 2265, 2272, 2416, 2485, 2840, 2982, 3020, 3171, 3360, 3408, 3624, 3976, 4228, 4260, 4530, 4544, 4832, 4970, 5285, 5680, 5964, 6040, 6342, 6720, 6816, 7248, 7455, 7952, 8456, 8520, 9060, 9664, 9940, 10570, 10721, 11360, 11928, 12080, 12684, 13632, 14496, 14910, 15855, 15904, 16912, 17040, 18120, 19880, 21140, 21442, 22720, 23856, 24160, 25368, 28992, 29820, 31710, 31808, 32163, 33824, 34080, 36240, 39760, 42280, 42884, 47712, 48320, 50736, 53605, 59640, 63420, 64326, 67648, 68160, 72480, 75047, 79520, 84560, 85768, 95424, 101472, 107210, 119280, 126840, 128652, 144960, 150094, 159040, 160815, 169120, 171536, 202944, 214420, 225141, 238560, 253680, 257304, 300188, 321630, 338240, 343072, 375235, 428840, 450282, 477120, 507360, 514608, 600376, 643260, 686144, 750470, 857680, 900564, 1014720, 1029216, 1125705, 1200752, 1286520, 1500940, 1715360, 1801128, 2058432, 2251410, 2401504, 2573040, 3001880, 3430720, 3602256, 4502820, 4803008, 5146080, 6003760, 7204512, 9005640, 10292160, 12007520, 14409024, 18011280, 24015040, 36022560, 72045120]

約数ペア:

[(1, 72045120), (2, 36022560), (3, 24015040), (4, 18011280), (5, 14409024), (6, 12007520), (7, 10292160), (8, 9005640), (10, 7204512), (12, 6003760), (14, 5146080), (15, 4803008), (16, 4502820), (20, 3602256), (21, 3430720), (24, 3001880), (28, 2573040), (30, 2401504), (32, 2251410), (35, 2058432), (40, 1801128), (42, 1715360), (48, 1500940), (56, 1286520), (60, 1200752), (64, 1125705), (70, 1029216), (71, 1014720), (80, 900564), (84, 857680), (96, 750470), (105, 686144), (112, 643260), (120, 600376), (140, 514608), (142, 507360), (151, 477120), (160, 450282), (168, 428840), (192, 375235), (210, 343072), (213, 338240), (224, 321630), (240, 300188), (280, 257304), (284, 253680), (302, 238560), (320, 225141), (336, 214420), (355, 202944), (420, 171536), (426, 169120), (448, 160815), (453, 159040), (480, 150094), (497, 144960), (560, 128652), (568, 126840), (604, 119280), (672, 107210), (710, 101472), (755, 95424), (840, 85768), (852, 84560), (906, 79520), (960, 75047), (994, 72480), (1057, 68160), (1065, 67648), (1120, 64326), (1136, 63420), (1208, 59640), (1344, 53605), (1420, 50736), (1491, 48320), (1510, 47712), (1680, 42884), (1704, 42280), (1812, 39760), (1988, 36240), (2114, 34080), (2130, 33824), (2240, 32163), (2265, 31808), (2272, 31710), (2416, 29820), (2485, 28992), (2840, 25368), (2982, 24160), (3020, 23856), (3171, 22720), (3360, 21442), (3408, 21140), (3624, 19880), (3976, 18120), (4228, 17040), (4260, 16912), (4530, 15904), (4544, 15855), (4832, 14910), (4970, 14496), (5285, 13632), (5680, 12684), (5964, 12080), (6040, 11928), (6342, 11360), (6720, 10721), (6816, 10570), (7248, 9940), (7455, 9664), (7952, 9060), (8456, 8520)]