343980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:45

約数の個数: 144

約数和(自身を含む): 1340640

約数和(自身を除く): 996660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 637, 702, 735, 756, 780, 819, 882, 910, 945, 980, 1092, 1170, 1260, 1274, 1323, 1365, 1404, 1470, 1638, 1755, 1764, 1820, 1890, 1911, 2205, 2340, 2457, 2548, 2646, 2730, 2940, 3185, 3276, 3510, 3780, 3822, 4095, 4410, 4914, 5292, 5460, 5733, 6370, 6615, 7020, 7644, 8190, 8820, 9555, 9828, 11466, 12285, 12740, 13230, 16380, 17199, 19110, 22932, 24570, 26460, 28665, 34398, 38220, 49140, 57330, 68796, 85995, 114660, 171990, 343980]

約数ペア:

[(1, 343980), (2, 171990), (3, 114660), (4, 85995), (5, 68796), (6, 57330), (7, 49140), (9, 38220), (10, 34398), (12, 28665), (13, 26460), (14, 24570), (15, 22932), (18, 19110), (20, 17199), (21, 16380), (26, 13230), (27, 12740), (28, 12285), (30, 11466), (35, 9828), (36, 9555), (39, 8820), (42, 8190), (45, 7644), (49, 7020), (52, 6615), (54, 6370), (60, 5733), (63, 5460), (65, 5292), (70, 4914), (78, 4410), (84, 4095), (90, 3822), (91, 3780), (98, 3510), (105, 3276), (108, 3185), (117, 2940), (126, 2730), (130, 2646), (135, 2548), (140, 2457), (147, 2340), (156, 2205), (180, 1911), (182, 1890), (189, 1820), (195, 1764), (196, 1755), (210, 1638), (234, 1470), (245, 1404), (252, 1365), (260, 1323), (270, 1274), (273, 1260), (294, 1170), (315, 1092), (351, 980), (364, 945), (378, 910), (390, 882), (420, 819), (441, 780), (455, 756), (468, 735), (490, 702), (540, 637), (546, 630), (585, 588)]