71668480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 190582560

約数和(自身を除く): 118914080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 73, 80, 104, 118, 128, 130, 146, 160, 208, 236, 256, 260, 292, 295, 320, 365, 416, 472, 520, 584, 590, 640, 730, 767, 832, 944, 949, 1040, 1168, 1180, 1280, 1460, 1534, 1664, 1888, 1898, 2080, 2336, 2360, 2920, 3068, 3328, 3776, 3796, 3835, 4160, 4307, 4672, 4720, 4745, 5840, 6136, 7552, 7592, 7670, 8320, 8614, 9344, 9440, 9490, 11680, 12272, 15104, 15184, 15340, 16640, 17228, 18688, 18880, 18980, 21535, 23360, 24544, 30368, 30680, 34456, 37760, 37960, 43070, 46720, 49088, 55991, 60736, 61360, 68912, 75520, 75920, 86140, 93440, 98176, 111982, 121472, 122720, 137824, 151840, 172280, 196352, 223964, 242944, 245440, 275648, 279955, 303680, 344560, 447928, 490880, 551296, 559910, 607360, 689120, 895856, 981760, 1102592, 1119820, 1214720, 1378240, 1791712, 2239640, 2756480, 3583424, 4479280, 5512960, 7166848, 8958560, 14333696, 17917120, 35834240, 71668480]

約数ペア:

[(1, 71668480), (2, 35834240), (4, 17917120), (5, 14333696), (8, 8958560), (10, 7166848), (13, 5512960), (16, 4479280), (20, 3583424), (26, 2756480), (32, 2239640), (40, 1791712), (52, 1378240), (59, 1214720), (64, 1119820), (65, 1102592), (73, 981760), (80, 895856), (104, 689120), (118, 607360), (128, 559910), (130, 551296), (146, 490880), (160, 447928), (208, 344560), (236, 303680), (256, 279955), (260, 275648), (292, 245440), (295, 242944), (320, 223964), (365, 196352), (416, 172280), (472, 151840), (520, 137824), (584, 122720), (590, 121472), (640, 111982), (730, 98176), (767, 93440), (832, 86140), (944, 75920), (949, 75520), (1040, 68912), (1168, 61360), (1180, 60736), (1280, 55991), (1460, 49088), (1534, 46720), (1664, 43070), (1888, 37960), (1898, 37760), (2080, 34456), (2336, 30680), (2360, 30368), (2920, 24544), (3068, 23360), (3328, 21535), (3776, 18980), (3796, 18880), (3835, 18688), (4160, 17228), (4307, 16640), (4672, 15340), (4720, 15184), (4745, 15104), (5840, 12272), (6136, 11680), (7552, 9490), (7592, 9440), (7670, 9344), (8320, 8614)]