13478220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 49271040

約数和(自身を除く): 35792820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 563, 570, 630, 665, 684, 798, 855, 1126, 1140, 1197, 1260, 1330, 1596, 1689, 1710, 1995, 2252, 2394, 2660, 2815, 3378, 3420, 3941, 3990, 4788, 5067, 5630, 5985, 6756, 7882, 7980, 8445, 10134, 10697, 11260, 11823, 11970, 15764, 16890, 19705, 20268, 21394, 23646, 23940, 25335, 32091, 33780, 35469, 39410, 42788, 47292, 50670, 53485, 59115, 64182, 70938, 74879, 78820, 96273, 101340, 106970, 118230, 128364, 141876, 149758, 160455, 177345, 192546, 213940, 224637, 236460, 299516, 320910, 354690, 374395, 385092, 449274, 481365, 641820, 673911, 709380, 748790, 898548, 962730, 1123185, 1347822, 1497580, 1925460, 2246370, 2695644, 3369555, 4492740, 6739110, 13478220]

約数ペア:

[(1, 13478220), (2, 6739110), (3, 4492740), (4, 3369555), (5, 2695644), (6, 2246370), (7, 1925460), (9, 1497580), (10, 1347822), (12, 1123185), (14, 962730), (15, 898548), (18, 748790), (19, 709380), (20, 673911), (21, 641820), (28, 481365), (30, 449274), (35, 385092), (36, 374395), (38, 354690), (42, 320910), (45, 299516), (57, 236460), (60, 224637), (63, 213940), (70, 192546), (76, 177345), (84, 160455), (90, 149758), (95, 141876), (105, 128364), (114, 118230), (126, 106970), (133, 101340), (140, 96273), (171, 78820), (180, 74879), (190, 70938), (210, 64182), (228, 59115), (252, 53485), (266, 50670), (285, 47292), (315, 42788), (342, 39410), (380, 35469), (399, 33780), (420, 32091), (532, 25335), (563, 23940), (570, 23646), (630, 21394), (665, 20268), (684, 19705), (798, 16890), (855, 15764), (1126, 11970), (1140, 11823), (1197, 11260), (1260, 10697), (1330, 10134), (1596, 8445), (1689, 7980), (1710, 7882), (1995, 6756), (2252, 5985), (2394, 5630), (2660, 5067), (2815, 4788), (3378, 3990), (3420, 3941)]