8178390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 23403744

約数和(自身を除く): 15225354

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 751, 990, 1089, 1210, 1502, 1815, 2178, 2253, 3630, 3755, 4506, 5445, 6759, 7510, 8261, 10890, 11265, 13518, 16522, 22530, 24783, 33795, 41305, 49566, 67590, 74349, 82610, 90871, 123915, 148698, 181742, 247830, 272613, 371745, 454355, 545226, 743490, 817839, 908710, 1363065, 1635678, 2726130, 4089195, 8178390]

約数ペア:

[(1, 8178390), (2, 4089195), (3, 2726130), (5, 1635678), (6, 1363065), (9, 908710), (10, 817839), (11, 743490), (15, 545226), (18, 454355), (22, 371745), (30, 272613), (33, 247830), (45, 181742), (55, 148698), (66, 123915), (90, 90871), (99, 82610), (110, 74349), (121, 67590), (165, 49566), (198, 41305), (242, 33795), (330, 24783), (363, 22530), (495, 16522), (605, 13518), (726, 11265), (751, 10890), (990, 8261), (1089, 7510), (1210, 6759), (1502, 5445), (1815, 4506), (2178, 3755), (2253, 3630)]