213672420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 704471040

約数和(自身を除く): 490798620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 127, 130, 156, 180, 195, 234, 254, 260, 381, 390, 468, 508, 585, 635, 719, 762, 780, 1143, 1170, 1270, 1438, 1524, 1651, 1905, 2157, 2286, 2340, 2540, 2876, 3302, 3595, 3810, 4314, 4572, 4953, 5715, 6471, 6604, 7190, 7620, 8255, 8628, 9347, 9906, 10785, 11430, 12942, 14380, 14859, 16510, 18694, 19812, 21570, 22860, 24765, 25884, 28041, 29718, 32355, 33020, 37388, 43140, 46735, 49530, 56082, 59436, 64710, 74295, 84123, 91313, 93470, 99060, 112164, 129420, 140205, 148590, 168246, 182626, 186940, 273939, 280410, 297180, 336492, 365252, 420615, 456565, 547878, 560820, 821817, 841230, 913130, 1095756, 1187069, 1369695, 1643634, 1682460, 1826260, 2374138, 2739390, 3287268, 3561207, 4109085, 4748276, 5478780, 5935345, 7122414, 8218170, 10683621, 11870690, 14244828, 16436340, 17806035, 21367242, 23741380, 35612070, 42734484, 53418105, 71224140, 106836210, 213672420]

約数ペア:

[(1, 213672420), (2, 106836210), (3, 71224140), (4, 53418105), (5, 42734484), (6, 35612070), (9, 23741380), (10, 21367242), (12, 17806035), (13, 16436340), (15, 14244828), (18, 11870690), (20, 10683621), (26, 8218170), (30, 7122414), (36, 5935345), (39, 5478780), (45, 4748276), (52, 4109085), (60, 3561207), (65, 3287268), (78, 2739390), (90, 2374138), (117, 1826260), (127, 1682460), (130, 1643634), (156, 1369695), (180, 1187069), (195, 1095756), (234, 913130), (254, 841230), (260, 821817), (381, 560820), (390, 547878), (468, 456565), (508, 420615), (585, 365252), (635, 336492), (719, 297180), (762, 280410), (780, 273939), (1143, 186940), (1170, 182626), (1270, 168246), (1438, 148590), (1524, 140205), (1651, 129420), (1905, 112164), (2157, 99060), (2286, 93470), (2340, 91313), (2540, 84123), (2876, 74295), (3302, 64710), (3595, 59436), (3810, 56082), (4314, 49530), (4572, 46735), (4953, 43140), (5715, 37388), (6471, 33020), (6604, 32355), (7190, 29718), (7620, 28041), (8255, 25884), (8628, 24765), (9347, 22860), (9906, 21570), (10785, 19812), (11430, 18694), (12942, 16510), (14380, 14859)]