2018685420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{141961}}^1$

素因数の和:142055

約数の個数: 72

約数和(自身を含む): 6200900160

約数和(自身を除く): 4182214740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 141961, 283922, 425883, 567844, 709805, 851766, 1277649, 1419610, 1703532, 2129415, 2555298, 2839220, 4258830, 5110596, 6388245, 8517660, 11214919, 12776490, 22429838, 25552980, 33644757, 44859676, 56074595, 67289514, 100934271, 112149190, 134579028, 168223785, 201868542, 224298380, 336447570, 403737084, 504671355, 672895140, 1009342710, 2018685420]

約数ペア:

[(1, 2018685420), (2, 1009342710), (3, 672895140), (4, 504671355), (5, 403737084), (6, 336447570), (9, 224298380), (10, 201868542), (12, 168223785), (15, 134579028), (18, 112149190), (20, 100934271), (30, 67289514), (36, 56074595), (45, 44859676), (60, 33644757), (79, 25552980), (90, 22429838), (158, 12776490), (180, 11214919), (237, 8517660), (316, 6388245), (395, 5110596), (474, 4258830), (711, 2839220), (790, 2555298), (948, 2129415), (1185, 1703532), (1422, 1419610), (1580, 1277649), (2370, 851766), (2844, 709805), (3555, 567844), (4740, 425883), (7110, 283922), (14220, 141961)]