1721440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 4898880

約数和(自身を除く): 3177440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 53, 56, 58, 70, 80, 106, 112, 116, 140, 145, 160, 203, 212, 224, 232, 265, 280, 290, 371, 406, 424, 464, 530, 560, 580, 742, 812, 848, 928, 1015, 1060, 1120, 1160, 1484, 1537, 1624, 1696, 1855, 2030, 2120, 2320, 2968, 3074, 3248, 3710, 4060, 4240, 4640, 5936, 6148, 6496, 7420, 7685, 8120, 8480, 10759, 11872, 12296, 14840, 15370, 16240, 21518, 24592, 29680, 30740, 32480, 43036, 49184, 53795, 59360, 61480, 86072, 107590, 122960, 172144, 215180, 245920, 344288, 430360, 860720, 1721440]

約数ペア:

[(1, 1721440), (2, 860720), (4, 430360), (5, 344288), (7, 245920), (8, 215180), (10, 172144), (14, 122960), (16, 107590), (20, 86072), (28, 61480), (29, 59360), (32, 53795), (35, 49184), (40, 43036), (53, 32480), (56, 30740), (58, 29680), (70, 24592), (80, 21518), (106, 16240), (112, 15370), (116, 14840), (140, 12296), (145, 11872), (160, 10759), (203, 8480), (212, 8120), (224, 7685), (232, 7420), (265, 6496), (280, 6148), (290, 5936), (371, 4640), (406, 4240), (424, 4060), (464, 3710), (530, 3248), (560, 3074), (580, 2968), (742, 2320), (812, 2120), (848, 2030), (928, 1855), (1015, 1696), (1060, 1624), (1120, 1537), (1160, 1484)]