278883216

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:654

約数の個数: 160

約数和(自身を含む): 857980800

約数和(自身を除く): 579097584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 61, 72, 76, 108, 114, 122, 144, 152, 171, 183, 216, 228, 244, 304, 342, 366, 432, 456, 488, 513, 549, 557, 684, 732, 912, 976, 1026, 1098, 1114, 1159, 1368, 1464, 1647, 1671, 2052, 2196, 2228, 2318, 2736, 2928, 3294, 3342, 3477, 4104, 4392, 4456, 4636, 5013, 6588, 6684, 6954, 8208, 8784, 8912, 9272, 10026, 10431, 10583, 13176, 13368, 13908, 15039, 18544, 20052, 20862, 21166, 26352, 26736, 27816, 30078, 31293, 31749, 33977, 40104, 41724, 42332, 55632, 60156, 62586, 63498, 67954, 80208, 83448, 84664, 95247, 101931, 120312, 125172, 126996, 135908, 166896, 169328, 190494, 203862, 240624, 250344, 253992, 271816, 285741, 305793, 380988, 407724, 500688, 507984, 543632, 571482, 611586, 645563, 761976, 815448, 917379, 1142964, 1223172, 1291126, 1523952, 1630896, 1834758, 1936689, 2285928, 2446344, 2582252, 3669516, 3873378, 4571856, 4892688, 5164504, 5810067, 7339032, 7746756, 10329008, 11620134, 14678064, 15493512, 17430201, 23240268, 30987024, 34860402, 46480536, 69720804, 92961072, 139441608, 278883216]

約数ペア:

[(1, 278883216), (2, 139441608), (3, 92961072), (4, 69720804), (6, 46480536), (8, 34860402), (9, 30987024), (12, 23240268), (16, 17430201), (18, 15493512), (19, 14678064), (24, 11620134), (27, 10329008), (36, 7746756), (38, 7339032), (48, 5810067), (54, 5164504), (57, 4892688), (61, 4571856), (72, 3873378), (76, 3669516), (108, 2582252), (114, 2446344), (122, 2285928), (144, 1936689), (152, 1834758), (171, 1630896), (183, 1523952), (216, 1291126), (228, 1223172), (244, 1142964), (304, 917379), (342, 815448), (366, 761976), (432, 645563), (456, 611586), (488, 571482), (513, 543632), (549, 507984), (557, 500688), (684, 407724), (732, 380988), (912, 305793), (976, 285741), (1026, 271816), (1098, 253992), (1114, 250344), (1159, 240624), (1368, 203862), (1464, 190494), (1647, 169328), (1671, 166896), (2052, 135908), (2196, 126996), (2228, 125172), (2318, 120312), (2736, 101931), (2928, 95247), (3294, 84664), (3342, 83448), (3477, 80208), (4104, 67954), (4392, 63498), (4456, 62586), (4636, 60156), (5013, 55632), (6588, 42332), (6684, 41724), (6954, 40104), (8208, 33977), (8784, 31749), (8912, 31293), (9272, 30078), (10026, 27816), (10431, 26736), (10583, 26352), (13176, 21166), (13368, 20862), (13908, 20052), (15039, 18544)]