16778580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 58988160

約数和(自身を除く): 42209580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 439, 455, 490, 546, 588, 637, 735, 780, 878, 910, 980, 1092, 1274, 1317, 1365, 1470, 1756, 1820, 1911, 2195, 2548, 2634, 2730, 2940, 3073, 3185, 3822, 4390, 5268, 5460, 5707, 6146, 6370, 6585, 7644, 8780, 9219, 9555, 11414, 12292, 12740, 13170, 15365, 17121, 18438, 19110, 21511, 22828, 26340, 28535, 30730, 34242, 36876, 38220, 39949, 43022, 46095, 57070, 61460, 64533, 68484, 79898, 85605, 86044, 92190, 107555, 114140, 119847, 129066, 159796, 171210, 184380, 199745, 215110, 239694, 258132, 279643, 322665, 342420, 399490, 430220, 479388, 559286, 599235, 645330, 798980, 838929, 1118572, 1198470, 1290660, 1398215, 1677858, 2396940, 2796430, 3355716, 4194645, 5592860, 8389290, 16778580]

約数ペア:

[(1, 16778580), (2, 8389290), (3, 5592860), (4, 4194645), (5, 3355716), (6, 2796430), (7, 2396940), (10, 1677858), (12, 1398215), (13, 1290660), (14, 1198470), (15, 1118572), (20, 838929), (21, 798980), (26, 645330), (28, 599235), (30, 559286), (35, 479388), (39, 430220), (42, 399490), (49, 342420), (52, 322665), (60, 279643), (65, 258132), (70, 239694), (78, 215110), (84, 199745), (91, 184380), (98, 171210), (105, 159796), (130, 129066), (140, 119847), (147, 114140), (156, 107555), (182, 92190), (195, 86044), (196, 85605), (210, 79898), (245, 68484), (260, 64533), (273, 61460), (294, 57070), (364, 46095), (390, 43022), (420, 39949), (439, 38220), (455, 36876), (490, 34242), (546, 30730), (588, 28535), (637, 26340), (735, 22828), (780, 21511), (878, 19110), (910, 18438), (980, 17121), (1092, 15365), (1274, 13170), (1317, 12740), (1365, 12292), (1470, 11414), (1756, 9555), (1820, 9219), (1911, 8780), (2195, 7644), (2548, 6585), (2634, 6370), (2730, 6146), (2940, 5707), (3073, 5460), (3185, 5268), (3822, 4390)]