81607470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 239016960

約数和(自身を除く): 157409490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 113, 114, 133, 181, 190, 210, 226, 266, 285, 339, 362, 399, 543, 565, 570, 665, 678, 791, 798, 905, 1086, 1130, 1267, 1330, 1582, 1695, 1810, 1995, 2147, 2373, 2534, 2715, 3390, 3439, 3801, 3955, 3990, 4294, 4746, 5430, 6335, 6441, 6878, 7602, 7910, 10317, 10735, 11865, 12670, 12882, 15029, 17195, 19005, 20453, 20634, 21470, 23730, 24073, 30058, 32205, 34390, 38010, 40906, 45087, 48146, 51585, 61359, 64410, 72219, 75145, 90174, 102265, 103170, 120365, 122718, 143171, 144438, 150290, 204530, 225435, 240730, 286342, 306795, 361095, 388607, 429513, 450870, 613590, 715855, 722190, 777214, 859026, 1165821, 1431710, 1943035, 2147565, 2331642, 2720249, 3886070, 4295130, 5440498, 5829105, 8160747, 11658210, 13601245, 16321494, 27202490, 40803735, 81607470]

約数ペア:

[(1, 81607470), (2, 40803735), (3, 27202490), (5, 16321494), (6, 13601245), (7, 11658210), (10, 8160747), (14, 5829105), (15, 5440498), (19, 4295130), (21, 3886070), (30, 2720249), (35, 2331642), (38, 2147565), (42, 1943035), (57, 1431710), (70, 1165821), (95, 859026), (105, 777214), (113, 722190), (114, 715855), (133, 613590), (181, 450870), (190, 429513), (210, 388607), (226, 361095), (266, 306795), (285, 286342), (339, 240730), (362, 225435), (399, 204530), (543, 150290), (565, 144438), (570, 143171), (665, 122718), (678, 120365), (791, 103170), (798, 102265), (905, 90174), (1086, 75145), (1130, 72219), (1267, 64410), (1330, 61359), (1582, 51585), (1695, 48146), (1810, 45087), (1995, 40906), (2147, 38010), (2373, 34390), (2534, 32205), (2715, 30058), (3390, 24073), (3439, 23730), (3801, 21470), (3955, 20634), (3990, 20453), (4294, 19005), (4746, 17195), (5430, 15029), (6335, 12882), (6441, 12670), (6878, 11865), (7602, 10735), (7910, 10317)]