28393470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 88058880

約数和(自身を除く): 59665410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 135, 166, 181, 189, 210, 249, 270, 315, 362, 378, 415, 498, 543, 581, 630, 747, 830, 905, 945, 1086, 1162, 1245, 1267, 1494, 1629, 1743, 1810, 1890, 2241, 2490, 2534, 2715, 2905, 3258, 3486, 3735, 3801, 4482, 4887, 5229, 5430, 5810, 6335, 7470, 7602, 8145, 8715, 9774, 10458, 11205, 11403, 12670, 15023, 15687, 16290, 17430, 19005, 22410, 22806, 24435, 26145, 30046, 31374, 34209, 38010, 45069, 48870, 52290, 57015, 68418, 75115, 78435, 90138, 105161, 114030, 135207, 150230, 156870, 171045, 210322, 225345, 270414, 315483, 342090, 405621, 450690, 525805, 630966, 676035, 811242, 946449, 1051610, 1352070, 1577415, 1892898, 2028105, 2839347, 3154830, 4056210, 4732245, 5678694, 9464490, 14196735, 28393470]

約数ペア:

[(1, 28393470), (2, 14196735), (3, 9464490), (5, 5678694), (6, 4732245), (7, 4056210), (9, 3154830), (10, 2839347), (14, 2028105), (15, 1892898), (18, 1577415), (21, 1352070), (27, 1051610), (30, 946449), (35, 811242), (42, 676035), (45, 630966), (54, 525805), (63, 450690), (70, 405621), (83, 342090), (90, 315483), (105, 270414), (126, 225345), (135, 210322), (166, 171045), (181, 156870), (189, 150230), (210, 135207), (249, 114030), (270, 105161), (315, 90138), (362, 78435), (378, 75115), (415, 68418), (498, 57015), (543, 52290), (581, 48870), (630, 45069), (747, 38010), (830, 34209), (905, 31374), (945, 30046), (1086, 26145), (1162, 24435), (1245, 22806), (1267, 22410), (1494, 19005), (1629, 17430), (1743, 16290), (1810, 15687), (1890, 15023), (2241, 12670), (2490, 11403), (2534, 11205), (2715, 10458), (2905, 9774), (3258, 8715), (3486, 8145), (3735, 7602), (3801, 7470), (4482, 6335), (4887, 5810), (5229, 5430)]