129756780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19483}}^1$

素因数の和:19535

約数の個数: 72

約数和(自身を含む): 404254032

約数和(自身を除く): 274497252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 19483, 38966, 58449, 77932, 97415, 116898, 175347, 194830, 233796, 292245, 350694, 389660, 584490, 701388, 720871, 876735, 1168980, 1441742, 1753470, 2162613, 2883484, 3506940, 3604355, 4325226, 6487839, 7208710, 8650452, 10813065, 12975678, 14417420, 21626130, 25951356, 32439195, 43252260, 64878390, 129756780]

約数ペア:

[(1, 129756780), (2, 64878390), (3, 43252260), (4, 32439195), (5, 25951356), (6, 21626130), (9, 14417420), (10, 12975678), (12, 10813065), (15, 8650452), (18, 7208710), (20, 6487839), (30, 4325226), (36, 3604355), (37, 3506940), (45, 2883484), (60, 2162613), (74, 1753470), (90, 1441742), (111, 1168980), (148, 876735), (180, 720871), (185, 701388), (222, 584490), (333, 389660), (370, 350694), (444, 292245), (555, 233796), (666, 194830), (740, 175347), (1110, 116898), (1332, 97415), (1665, 77932), (2220, 58449), (3330, 38966), (6660, 19483)]