78481830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 149614170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 263, 290, 294, 343, 406, 435, 490, 526, 609, 686, 735, 789, 870, 1015, 1029, 1218, 1315, 1421, 1470, 1578, 1715, 1841, 2030, 2058, 2630, 2842, 3045, 3430, 3682, 3945, 4263, 5145, 5523, 6090, 7105, 7627, 7890, 8526, 9205, 9947, 10290, 11046, 12887, 14210, 15254, 18410, 19894, 21315, 22881, 25774, 27615, 29841, 38135, 38661, 42630, 45762, 49735, 53389, 55230, 59682, 64435, 76270, 77322, 90209, 99470, 106778, 114405, 128870, 149205, 160167, 180418, 193305, 228810, 266945, 270627, 298410, 320334, 373723, 386610, 451045, 533890, 541254, 747446, 800835, 902090, 1121169, 1353135, 1601670, 1868615, 2242338, 2616061, 2706270, 3737230, 5232122, 5605845, 7848183, 11211690, 13080305, 15696366, 26160610, 39240915, 78481830]

約数ペア:

[(1, 78481830), (2, 39240915), (3, 26160610), (5, 15696366), (6, 13080305), (7, 11211690), (10, 7848183), (14, 5605845), (15, 5232122), (21, 3737230), (29, 2706270), (30, 2616061), (35, 2242338), (42, 1868615), (49, 1601670), (58, 1353135), (70, 1121169), (87, 902090), (98, 800835), (105, 747446), (145, 541254), (147, 533890), (174, 451045), (203, 386610), (210, 373723), (245, 320334), (263, 298410), (290, 270627), (294, 266945), (343, 228810), (406, 193305), (435, 180418), (490, 160167), (526, 149205), (609, 128870), (686, 114405), (735, 106778), (789, 99470), (870, 90209), (1015, 77322), (1029, 76270), (1218, 64435), (1315, 59682), (1421, 55230), (1470, 53389), (1578, 49735), (1715, 45762), (1841, 42630), (2030, 38661), (2058, 38135), (2630, 29841), (2842, 27615), (3045, 25774), (3430, 22881), (3682, 21315), (3945, 19894), (4263, 18410), (5145, 15254), (5523, 14210), (6090, 12887), (7105, 11046), (7627, 10290), (7890, 9947), (8526, 9205)]