71980480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2$

素因数の和:76

約数の個数: 168

約数和(自身を含む): 204148944

約数和(自身を除く): 132168464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 130, 143, 160, 169, 176, 208, 220, 242, 260, 286, 320, 338, 352, 416, 440, 484, 520, 572, 605, 676, 704, 715, 832, 845, 880, 968, 1040, 1144, 1210, 1331, 1352, 1430, 1573, 1690, 1760, 1859, 1936, 2080, 2288, 2420, 2662, 2704, 2860, 3146, 3380, 3520, 3718, 3872, 4160, 4576, 4840, 5324, 5408, 5720, 6292, 6655, 6760, 7436, 7744, 7865, 9152, 9295, 9680, 10648, 10816, 11440, 12584, 13310, 13520, 14872, 15730, 17303, 18590, 19360, 20449, 21296, 22880, 25168, 26620, 27040, 29744, 31460, 34606, 37180, 38720, 40898, 42592, 45760, 50336, 53240, 54080, 59488, 62920, 69212, 74360, 81796, 85184, 86515, 100672, 102245, 106480, 118976, 125840, 138424, 148720, 163592, 173030, 204490, 212960, 224939, 251680, 276848, 297440, 327184, 346060, 408980, 425920, 449878, 503360, 553696, 594880, 654368, 692120, 817960, 899756, 1107392, 1124695, 1308736, 1384240, 1635920, 1799512, 2249390, 2768480, 3271840, 3599024, 4498780, 5536960, 6543680, 7198048, 8997560, 14396096, 17995120, 35990240, 71980480]

約数ペア:

[(1, 71980480), (2, 35990240), (4, 17995120), (5, 14396096), (8, 8997560), (10, 7198048), (11, 6543680), (13, 5536960), (16, 4498780), (20, 3599024), (22, 3271840), (26, 2768480), (32, 2249390), (40, 1799512), (44, 1635920), (52, 1384240), (55, 1308736), (64, 1124695), (65, 1107392), (80, 899756), (88, 817960), (104, 692120), (110, 654368), (121, 594880), (130, 553696), (143, 503360), (160, 449878), (169, 425920), (176, 408980), (208, 346060), (220, 327184), (242, 297440), (260, 276848), (286, 251680), (320, 224939), (338, 212960), (352, 204490), (416, 173030), (440, 163592), (484, 148720), (520, 138424), (572, 125840), (605, 118976), (676, 106480), (704, 102245), (715, 100672), (832, 86515), (845, 85184), (880, 81796), (968, 74360), (1040, 69212), (1144, 62920), (1210, 59488), (1331, 54080), (1352, 53240), (1430, 50336), (1573, 45760), (1690, 42592), (1760, 40898), (1859, 38720), (1936, 37180), (2080, 34606), (2288, 31460), (2420, 29744), (2662, 27040), (2704, 26620), (2860, 25168), (3146, 22880), (3380, 21296), (3520, 20449), (3718, 19360), (3872, 18590), (4160, 17303), (4576, 15730), (4840, 14872), (5324, 13520), (5408, 13310), (5720, 12584), (6292, 11440), (6655, 10816), (6760, 10648), (7436, 9680), (7744, 9295), (7865, 9152)]