12780240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 44568576

約数和(自身を除く): 31788336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 103, 110, 120, 132, 141, 165, 176, 188, 206, 220, 235, 240, 264, 282, 309, 330, 376, 412, 440, 470, 515, 517, 528, 564, 618, 660, 705, 752, 824, 880, 940, 1030, 1034, 1128, 1133, 1236, 1320, 1410, 1545, 1551, 1648, 1880, 2060, 2068, 2256, 2266, 2472, 2585, 2640, 2820, 3090, 3102, 3399, 3760, 4120, 4136, 4532, 4841, 4944, 5170, 5640, 5665, 6180, 6204, 6798, 7755, 8240, 8272, 9064, 9682, 10340, 11280, 11330, 12360, 12408, 13596, 14523, 15510, 16995, 18128, 19364, 20680, 22660, 24205, 24720, 24816, 27192, 29046, 31020, 33990, 38728, 41360, 45320, 48410, 53251, 54384, 58092, 62040, 67980, 72615, 77456, 90640, 96820, 106502, 116184, 124080, 135960, 145230, 159753, 193640, 213004, 232368, 266255, 271920, 290460, 319506, 387280, 426008, 532510, 580920, 639012, 798765, 852016, 1065020, 1161840, 1278024, 1597530, 2130040, 2556048, 3195060, 4260080, 6390120, 12780240]

約数ペア:

[(1, 12780240), (2, 6390120), (3, 4260080), (4, 3195060), (5, 2556048), (6, 2130040), (8, 1597530), (10, 1278024), (11, 1161840), (12, 1065020), (15, 852016), (16, 798765), (20, 639012), (22, 580920), (24, 532510), (30, 426008), (33, 387280), (40, 319506), (44, 290460), (47, 271920), (48, 266255), (55, 232368), (60, 213004), (66, 193640), (80, 159753), (88, 145230), (94, 135960), (103, 124080), (110, 116184), (120, 106502), (132, 96820), (141, 90640), (165, 77456), (176, 72615), (188, 67980), (206, 62040), (220, 58092), (235, 54384), (240, 53251), (264, 48410), (282, 45320), (309, 41360), (330, 38728), (376, 33990), (412, 31020), (440, 29046), (470, 27192), (515, 24816), (517, 24720), (528, 24205), (564, 22660), (618, 20680), (660, 19364), (705, 18128), (752, 16995), (824, 15510), (880, 14523), (940, 13596), (1030, 12408), (1034, 12360), (1128, 11330), (1133, 11280), (1236, 10340), (1320, 9682), (1410, 9064), (1545, 8272), (1551, 8240), (1648, 7755), (1880, 6798), (2060, 6204), (2068, 6180), (2256, 5665), (2266, 5640), (2472, 5170), (2585, 4944), (2640, 4841), (2820, 4532), (3090, 4136), (3102, 4120), (3399, 3760)]