16219140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 54999168

約数和(自身を除く): 38780028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 73, 84, 92, 105, 115, 138, 140, 146, 161, 210, 219, 230, 276, 292, 322, 345, 365, 420, 438, 460, 483, 511, 529, 644, 690, 730, 805, 876, 966, 1022, 1058, 1095, 1380, 1460, 1533, 1587, 1610, 1679, 1932, 2044, 2116, 2190, 2415, 2555, 2645, 3066, 3174, 3220, 3358, 3703, 4380, 4830, 5037, 5110, 5290, 6132, 6348, 6716, 7406, 7665, 7935, 8395, 9660, 10074, 10220, 10580, 11109, 11753, 14812, 15330, 15870, 16790, 18515, 20148, 22218, 23506, 25185, 30660, 31740, 33580, 35259, 37030, 38617, 44436, 47012, 50370, 55545, 58765, 70518, 74060, 77234, 100740, 111090, 115851, 117530, 141036, 154468, 176295, 193085, 222180, 231702, 235060, 270319, 352590, 386170, 463404, 540638, 579255, 705180, 772340, 810957, 1081276, 1158510, 1351595, 1621914, 2317020, 2703190, 3243828, 4054785, 5406380, 8109570, 16219140]

約数ペア:

[(1, 16219140), (2, 8109570), (3, 5406380), (4, 4054785), (5, 3243828), (6, 2703190), (7, 2317020), (10, 1621914), (12, 1351595), (14, 1158510), (15, 1081276), (20, 810957), (21, 772340), (23, 705180), (28, 579255), (30, 540638), (35, 463404), (42, 386170), (46, 352590), (60, 270319), (69, 235060), (70, 231702), (73, 222180), (84, 193085), (92, 176295), (105, 154468), (115, 141036), (138, 117530), (140, 115851), (146, 111090), (161, 100740), (210, 77234), (219, 74060), (230, 70518), (276, 58765), (292, 55545), (322, 50370), (345, 47012), (365, 44436), (420, 38617), (438, 37030), (460, 35259), (483, 33580), (511, 31740), (529, 30660), (644, 25185), (690, 23506), (730, 22218), (805, 20148), (876, 18515), (966, 16790), (1022, 15870), (1058, 15330), (1095, 14812), (1380, 11753), (1460, 11109), (1533, 10580), (1587, 10220), (1610, 10074), (1679, 9660), (1932, 8395), (2044, 7935), (2116, 7665), (2190, 7406), (2415, 6716), (2555, 6348), (2645, 6132), (3066, 5290), (3174, 5110), (3220, 5037), (3358, 4830), (3703, 4380)]