72989910

素因数分解:

$2^1\times 3^5\times 5^1\times 7^2\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 229306896

約数和(自身を除く): 156316986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 243, 245, 270, 294, 315, 378, 405, 441, 486, 490, 567, 613, 630, 735, 810, 882, 945, 1134, 1215, 1226, 1323, 1470, 1701, 1839, 1890, 2205, 2430, 2646, 2835, 3065, 3402, 3678, 3969, 4291, 4410, 5517, 5670, 6130, 6615, 7938, 8505, 8582, 9195, 11034, 11907, 12873, 13230, 16551, 17010, 18390, 19845, 21455, 23814, 25746, 27585, 30037, 33102, 38619, 39690, 42910, 49653, 55170, 59535, 60074, 64365, 77238, 82755, 90111, 99306, 115857, 119070, 128730, 148959, 150185, 165510, 180222, 193095, 231714, 248265, 270333, 297918, 300370, 347571, 386190, 450555, 496530, 540666, 579285, 695142, 744795, 810999, 901110, 1042713, 1158570, 1351665, 1489590, 1621998, 1737855, 2085426, 2432997, 2703330, 3475710, 4054995, 4865994, 5213565, 7298991, 8109990, 10427130, 12164985, 14597982, 24329970, 36494955, 72989910]

約数ペア:

[(1, 72989910), (2, 36494955), (3, 24329970), (5, 14597982), (6, 12164985), (7, 10427130), (9, 8109990), (10, 7298991), (14, 5213565), (15, 4865994), (18, 4054995), (21, 3475710), (27, 2703330), (30, 2432997), (35, 2085426), (42, 1737855), (45, 1621998), (49, 1489590), (54, 1351665), (63, 1158570), (70, 1042713), (81, 901110), (90, 810999), (98, 744795), (105, 695142), (126, 579285), (135, 540666), (147, 496530), (162, 450555), (189, 386190), (210, 347571), (243, 300370), (245, 297918), (270, 270333), (294, 248265), (315, 231714), (378, 193095), (405, 180222), (441, 165510), (486, 150185), (490, 148959), (567, 128730), (613, 119070), (630, 115857), (735, 99306), (810, 90111), (882, 82755), (945, 77238), (1134, 64365), (1215, 60074), (1226, 59535), (1323, 55170), (1470, 49653), (1701, 42910), (1839, 39690), (1890, 38619), (2205, 33102), (2430, 30037), (2646, 27585), (2835, 25746), (3065, 23814), (3402, 21455), (3678, 19845), (3969, 18390), (4291, 17010), (4410, 16551), (5517, 13230), (5670, 12873), (6130, 11907), (6615, 11034), (7938, 9195), (8505, 8582)]