12729291280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{73699}}^1$

素因数の和:73856

約数の個数: 80

約数和(自身を含む): 31583692800

約数和(自身を除く): 18854401520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 2032, 2159, 2540, 4318, 5080, 8636, 10160, 10795, 17272, 21590, 34544, 43180, 73699, 86360, 147398, 172720, 294796, 368495, 589592, 736990, 1179184, 1252883, 1473980, 2505766, 2947960, 5011532, 5895920, 6264415, 9359773, 10023064, 12528830, 18719546, 20046128, 25057660, 37439092, 46798865, 50115320, 74878184, 93597730, 100230640, 149756368, 159116141, 187195460, 318232282, 374390920, 636464564, 748781840, 795580705, 1272929128, 1591161410, 2545858256, 3182322820, 6364645640, 12729291280]

約数ペア:

[(1, 12729291280), (2, 6364645640), (4, 3182322820), (5, 2545858256), (8, 1591161410), (10, 1272929128), (16, 795580705), (17, 748781840), (20, 636464564), (34, 374390920), (40, 318232282), (68, 187195460), (80, 159116141), (85, 149756368), (127, 100230640), (136, 93597730), (170, 74878184), (254, 50115320), (272, 46798865), (340, 37439092), (508, 25057660), (635, 20046128), (680, 18719546), (1016, 12528830), (1270, 10023064), (1360, 9359773), (2032, 6264415), (2159, 5895920), (2540, 5011532), (4318, 2947960), (5080, 2505766), (8636, 1473980), (10160, 1252883), (10795, 1179184), (17272, 736990), (21590, 589592), (34544, 368495), (43180, 294796), (73699, 172720), (86360, 147398)]