123400260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{25391}}^1$

素因数の和:25415

約数の個数: 72

約数和(自身を含む): 388192896

約数和(自身を除く): 264792636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 25391, 50782, 76173, 101564, 126955, 152346, 228519, 253910, 304692, 380865, 457038, 507820, 685557, 761730, 914076, 1142595, 1371114, 1523460, 2056671, 2285190, 2742228, 3427785, 4113342, 4570380, 6170013, 6855570, 8226684, 10283355, 12340026, 13711140, 20566710, 24680052, 30850065, 41133420, 61700130, 123400260]

約数ペア:

[(1, 123400260), (2, 61700130), (3, 41133420), (4, 30850065), (5, 24680052), (6, 20566710), (9, 13711140), (10, 12340026), (12, 10283355), (15, 8226684), (18, 6855570), (20, 6170013), (27, 4570380), (30, 4113342), (36, 3427785), (45, 2742228), (54, 2285190), (60, 2056671), (81, 1523460), (90, 1371114), (108, 1142595), (135, 914076), (162, 761730), (180, 685557), (243, 507820), (270, 457038), (324, 380865), (405, 304692), (486, 253910), (540, 228519), (810, 152346), (972, 126955), (1215, 101564), (1620, 76173), (2430, 50782), (4860, 25391)]