538437760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3877}}^1$

素因数の和:3934

約数の個数: 128

約数和(自身を含む): 1518935040

約数和(自身を除く): 980497280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3877, 3968, 4340, 4480, 4960, 6944, 7754, 8680, 9920, 13888, 15508, 17360, 19385, 19840, 27139, 27776, 31016, 34720, 38770, 54278, 62032, 69440, 77540, 108556, 120187, 124064, 135695, 138880, 155080, 217112, 240374, 248128, 271390, 310160, 434224, 480748, 496256, 542780, 600935, 620320, 841309, 868448, 961496, 1085560, 1201870, 1240640, 1682618, 1736896, 1922992, 2171120, 2403740, 2481280, 3365236, 3473792, 3845984, 4206545, 4342240, 4807480, 6730472, 7691968, 8413090, 8684480, 9614960, 13460944, 15383936, 16826180, 17368960, 19229920, 26921888, 33652360, 38459840, 53843776, 67304720, 76919680, 107687552, 134609440, 269218880, 538437760]

約数ペア:

[(1, 538437760), (2, 269218880), (4, 134609440), (5, 107687552), (7, 76919680), (8, 67304720), (10, 53843776), (14, 38459840), (16, 33652360), (20, 26921888), (28, 19229920), (31, 17368960), (32, 16826180), (35, 15383936), (40, 13460944), (56, 9614960), (62, 8684480), (64, 8413090), (70, 7691968), (80, 6730472), (112, 4807480), (124, 4342240), (128, 4206545), (140, 3845984), (155, 3473792), (160, 3365236), (217, 2481280), (224, 2403740), (248, 2171120), (280, 1922992), (310, 1736896), (320, 1682618), (434, 1240640), (448, 1201870), (496, 1085560), (560, 961496), (620, 868448), (640, 841309), (868, 620320), (896, 600935), (992, 542780), (1085, 496256), (1120, 480748), (1240, 434224), (1736, 310160), (1984, 271390), (2170, 248128), (2240, 240374), (2480, 217112), (3472, 155080), (3877, 138880), (3968, 135695), (4340, 124064), (4480, 120187), (4960, 108556), (6944, 77540), (7754, 69440), (8680, 62032), (9920, 54278), (13888, 38770), (15508, 34720), (17360, 31016), (19385, 27776), (19840, 27139)]