66990420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 235522560

約数和(自身を除く): 168532140

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, 420, 474, 553, 630, 673, 711, 790, 948, 1106, 1185, 1260, 1346, 1422, 1580, 1659, 2019, 2212, 2370, 2692, 2765, 2844, 3318, 3365, 3555, 4038, 4711, 4740, 4977, 5530, 6057, 6636, 6730, 7110, 8076, 8295, 9422, 9954, 10095, 11060, 12114, 13460, 14133, 14220, 16590, 18844, 19908, 20190, 23555, 24228, 24885, 28266, 30285, 33180, 40380, 42399, 47110, 49770, 53167, 56532, 60570, 70665, 84798, 94220, 99540, 106334, 121140, 141330, 159501, 169596, 211995, 212668, 265835, 282660, 319002, 372169, 423990, 478503, 531670, 638004, 744338, 797505, 847980, 957006, 1063340, 1116507, 1488676, 1595010, 1860845, 1914012, 2233014, 2392515, 3190020, 3349521, 3721690, 4466028, 4785030, 5582535, 6699042, 7443380, 9570060, 11165070, 13398084, 16747605, 22330140, 33495210, 66990420]

約数ペア:

[(1, 66990420), (2, 33495210), (3, 22330140), (4, 16747605), (5, 13398084), (6, 11165070), (7, 9570060), (9, 7443380), (10, 6699042), (12, 5582535), (14, 4785030), (15, 4466028), (18, 3721690), (20, 3349521), (21, 3190020), (28, 2392515), (30, 2233014), (35, 1914012), (36, 1860845), (42, 1595010), (45, 1488676), (60, 1116507), (63, 1063340), (70, 957006), (79, 847980), (84, 797505), (90, 744338), (105, 638004), (126, 531670), (140, 478503), (158, 423990), (180, 372169), (210, 319002), (237, 282660), (252, 265835), (315, 212668), (316, 211995), (395, 169596), (420, 159501), (474, 141330), (553, 121140), (630, 106334), (673, 99540), (711, 94220), (790, 84798), (948, 70665), (1106, 60570), (1185, 56532), (1260, 53167), (1346, 49770), (1422, 47110), (1580, 42399), (1659, 40380), (2019, 33180), (2212, 30285), (2370, 28266), (2692, 24885), (2765, 24228), (2844, 23555), (3318, 20190), (3365, 19908), (3555, 18844), (4038, 16590), (4711, 14220), (4740, 14133), (4977, 13460), (5530, 12114), (6057, 11060), (6636, 10095), (6730, 9954), (7110, 9422), (8076, 8295)]