81612144

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 252166400

約数和(自身を除く): 170554256

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, 163, 171, 183, 216, 228, 244, 304, 326, 342, 366, 432, 456, 488, 489, 513, 549, 652, 684, 732, 912, 976, 978, 1026, 1098, 1159, 1304, 1368, 1464, 1467, 1647, 1956, 2052, 2196, 2318, 2608, 2736, 2928, 2934, 3097, 3294, 3477, 3912, 4104, 4392, 4401, 4636, 5868, 6194, 6588, 6954, 7824, 8208, 8784, 8802, 9272, 9291, 9943, 10431, 11736, 12388, 13176, 13908, 17604, 18544, 18582, 19886, 20862, 23472, 24776, 26352, 27816, 27873, 29829, 31293, 35208, 37164, 39772, 41724, 49552, 55632, 55746, 59658, 62586, 70416, 74328, 79544, 83448, 83619, 89487, 111492, 119316, 125172, 148656, 159088, 166896, 167238, 178974, 188917, 222984, 238632, 250344, 268461, 334476, 357948, 377834, 445968, 477264, 500688, 536922, 566751, 668952, 715896, 755668, 1073844, 1133502, 1337904, 1431792, 1511336, 1700253, 2147688, 2267004, 3022672, 3400506, 4295376, 4534008, 5100759, 6801012, 9068016, 10201518, 13602024, 20403036, 27204048, 40806072, 81612144]

約数ペア:

[(1, 81612144), (2, 40806072), (3, 27204048), (4, 20403036), (6, 13602024), (8, 10201518), (9, 9068016), (12, 6801012), (16, 5100759), (18, 4534008), (19, 4295376), (24, 3400506), (27, 3022672), (36, 2267004), (38, 2147688), (48, 1700253), (54, 1511336), (57, 1431792), (61, 1337904), (72, 1133502), (76, 1073844), (108, 755668), (114, 715896), (122, 668952), (144, 566751), (152, 536922), (163, 500688), (171, 477264), (183, 445968), (216, 377834), (228, 357948), (244, 334476), (304, 268461), (326, 250344), (342, 238632), (366, 222984), (432, 188917), (456, 178974), (488, 167238), (489, 166896), (513, 159088), (549, 148656), (652, 125172), (684, 119316), (732, 111492), (912, 89487), (976, 83619), (978, 83448), (1026, 79544), (1098, 74328), (1159, 70416), (1304, 62586), (1368, 59658), (1464, 55746), (1467, 55632), (1647, 49552), (1956, 41724), (2052, 39772), (2196, 37164), (2318, 35208), (2608, 31293), (2736, 29829), (2928, 27873), (2934, 27816), (3097, 26352), (3294, 24776), (3477, 23472), (3912, 20862), (4104, 19886), (4392, 18582), (4401, 18544), (4636, 17604), (5868, 13908), (6194, 13176), (6588, 12388), (6954, 11736), (7824, 10431), (8208, 9943), (8784, 9291), (8802, 9272)]