1271401728

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 3560288256

約数和(自身を除く): 2288886528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 167, 184, 192, 256, 276, 334, 368, 384, 431, 501, 552, 668, 736, 768, 862, 1002, 1104, 1293, 1336, 1472, 1724, 2004, 2208, 2586, 2672, 2944, 3448, 3841, 4008, 4416, 5172, 5344, 5888, 6896, 7682, 8016, 8832, 9913, 10344, 10688, 11523, 13792, 15364, 16032, 17664, 19826, 20688, 21376, 23046, 27584, 29739, 30728, 32064, 39652, 41376, 42752, 46092, 55168, 59478, 61456, 64128, 71977, 79304, 82752, 92184, 110336, 118956, 122912, 128256, 143954, 158608, 165504, 184368, 215931, 237912, 245824, 287908, 317216, 331008, 368736, 431862, 475824, 491648, 575816, 634432, 737472, 863724, 951648, 983296, 1151632, 1268864, 1474944, 1655471, 1727448, 1903296, 2303264, 2537728, 2949888, 3310942, 3454896, 3806592, 4606528, 4966413, 6621884, 6909792, 7613184, 9213056, 9932826, 13243768, 13819584, 18426112, 19865652, 26487536, 27639168, 39731304, 52975072, 55278336, 79462608, 105950144, 158925216, 211900288, 317850432, 423800576, 635700864, 1271401728]

約数ペア:

[(1, 1271401728), (2, 635700864), (3, 423800576), (4, 317850432), (6, 211900288), (8, 158925216), (12, 105950144), (16, 79462608), (23, 55278336), (24, 52975072), (32, 39731304), (46, 27639168), (48, 26487536), (64, 19865652), (69, 18426112), (92, 13819584), (96, 13243768), (128, 9932826), (138, 9213056), (167, 7613184), (184, 6909792), (192, 6621884), (256, 4966413), (276, 4606528), (334, 3806592), (368, 3454896), (384, 3310942), (431, 2949888), (501, 2537728), (552, 2303264), (668, 1903296), (736, 1727448), (768, 1655471), (862, 1474944), (1002, 1268864), (1104, 1151632), (1293, 983296), (1336, 951648), (1472, 863724), (1724, 737472), (2004, 634432), (2208, 575816), (2586, 491648), (2672, 475824), (2944, 431862), (3448, 368736), (3841, 331008), (4008, 317216), (4416, 287908), (5172, 245824), (5344, 237912), (5888, 215931), (6896, 184368), (7682, 165504), (8016, 158608), (8832, 143954), (9913, 128256), (10344, 122912), (10688, 118956), (11523, 110336), (13792, 92184), (15364, 82752), (16032, 79304), (17664, 71977), (19826, 64128), (20688, 61456), (21376, 59478), (23046, 55168), (27584, 46092), (29739, 42752), (30728, 41376), (32064, 39652)]