39915540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 140474880

約数和(自身を除く): 100559340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 401, 420, 474, 553, 630, 711, 790, 802, 948, 1106, 1185, 1203, 1260, 1422, 1580, 1604, 1659, 2005, 2212, 2370, 2406, 2765, 2807, 2844, 3318, 3555, 3609, 4010, 4740, 4812, 4977, 5530, 5614, 6015, 6636, 7110, 7218, 8020, 8295, 8421, 9954, 11060, 11228, 12030, 14035, 14220, 14436, 16590, 16842, 18045, 19908, 24060, 24885, 25263, 28070, 31679, 33180, 33684, 36090, 42105, 49770, 50526, 56140, 63358, 72180, 84210, 95037, 99540, 101052, 126315, 126716, 158395, 168420, 190074, 221753, 252630, 285111, 316790, 380148, 443506, 475185, 505260, 570222, 633580, 665259, 887012, 950370, 1108765, 1140444, 1330518, 1425555, 1900740, 1995777, 2217530, 2661036, 2851110, 3326295, 3991554, 4435060, 5702220, 6652590, 7983108, 9978885, 13305180, 19957770, 39915540]

約数ペア:

[(1, 39915540), (2, 19957770), (3, 13305180), (4, 9978885), (5, 7983108), (6, 6652590), (7, 5702220), (9, 4435060), (10, 3991554), (12, 3326295), (14, 2851110), (15, 2661036), (18, 2217530), (20, 1995777), (21, 1900740), (28, 1425555), (30, 1330518), (35, 1140444), (36, 1108765), (42, 950370), (45, 887012), (60, 665259), (63, 633580), (70, 570222), (79, 505260), (84, 475185), (90, 443506), (105, 380148), (126, 316790), (140, 285111), (158, 252630), (180, 221753), (210, 190074), (237, 168420), (252, 158395), (315, 126716), (316, 126315), (395, 101052), (401, 99540), (420, 95037), (474, 84210), (553, 72180), (630, 63358), (711, 56140), (790, 50526), (802, 49770), (948, 42105), (1106, 36090), (1185, 33684), (1203, 33180), (1260, 31679), (1422, 28070), (1580, 25263), (1604, 24885), (1659, 24060), (2005, 19908), (2212, 18045), (2370, 16842), (2406, 16590), (2765, 14436), (2807, 14220), (2844, 14035), (3318, 12030), (3555, 11228), (3609, 11060), (4010, 9954), (4740, 8421), (4812, 8295), (4977, 8020), (5530, 7218), (5614, 7110), (6015, 6636)]