81161520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 278982144

約数和(自身を除く): 197820624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 355, 426, 433, 440, 528, 568, 660, 710, 781, 852, 866, 880, 1065, 1136, 1299, 1320, 1420, 1562, 1704, 1732, 2130, 2165, 2343, 2598, 2640, 2840, 3124, 3408, 3464, 3905, 4260, 4330, 4686, 4763, 5196, 5680, 6248, 6495, 6928, 7810, 8520, 8660, 9372, 9526, 10392, 11715, 12496, 12990, 14289, 15620, 17040, 17320, 18744, 19052, 20784, 23430, 23815, 25980, 28578, 30743, 31240, 34640, 37488, 38104, 46860, 47630, 51960, 57156, 61486, 62480, 71445, 76208, 92229, 93720, 95260, 103920, 114312, 122972, 142890, 153715, 184458, 187440, 190520, 228624, 245944, 285780, 307430, 338173, 368916, 381040, 461145, 491888, 571560, 614860, 676346, 737832, 922290, 1014519, 1143120, 1229720, 1352692, 1475664, 1690865, 1844580, 2029038, 2459440, 2705384, 3381730, 3689160, 4058076, 5072595, 5410768, 6763460, 7378320, 8116152, 10145190, 13526920, 16232304, 20290380, 27053840, 40580760, 81161520]

約数ペア:

[(1, 81161520), (2, 40580760), (3, 27053840), (4, 20290380), (5, 16232304), (6, 13526920), (8, 10145190), (10, 8116152), (11, 7378320), (12, 6763460), (15, 5410768), (16, 5072595), (20, 4058076), (22, 3689160), (24, 3381730), (30, 2705384), (33, 2459440), (40, 2029038), (44, 1844580), (48, 1690865), (55, 1475664), (60, 1352692), (66, 1229720), (71, 1143120), (80, 1014519), (88, 922290), (110, 737832), (120, 676346), (132, 614860), (142, 571560), (165, 491888), (176, 461145), (213, 381040), (220, 368916), (240, 338173), (264, 307430), (284, 285780), (330, 245944), (355, 228624), (426, 190520), (433, 187440), (440, 184458), (528, 153715), (568, 142890), (660, 122972), (710, 114312), (781, 103920), (852, 95260), (866, 93720), (880, 92229), (1065, 76208), (1136, 71445), (1299, 62480), (1320, 61486), (1420, 57156), (1562, 51960), (1704, 47630), (1732, 46860), (2130, 38104), (2165, 37488), (2343, 34640), (2598, 31240), (2640, 30743), (2840, 28578), (3124, 25980), (3408, 23815), (3464, 23430), (3905, 20784), (4260, 19052), (4330, 18744), (4686, 17320), (4763, 17040), (5196, 15620), (5680, 14289), (6248, 12990), (6495, 12496), (6928, 11715), (7810, 10392), (8520, 9526), (8660, 9372)]