1221618720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{363577}}^1$

素因数の和:363602

約数の個数: 96

約数和(自身を含む): 4397839488

約数和(自身を除く): 3176220768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 363577, 727154, 1090731, 1454308, 1817885, 2181462, 2545039, 2908616, 3635770, 4362924, 5090078, 5453655, 5817232, 7271540, 7635117, 8725848, 10180156, 10907310, 11634464, 12725195, 14543080, 15270234, 17451696, 20360312, 21814620, 25450390, 29086160, 30540468, 34903392, 38175585, 40720624, 43629240, 50900780, 58172320, 61080936, 76351170, 81441248, 87258480, 101801560, 122161872, 152702340, 174516960, 203603120, 244323744, 305404680, 407206240, 610809360, 1221618720]

約数ペア:

[(1, 1221618720), (2, 610809360), (3, 407206240), (4, 305404680), (5, 244323744), (6, 203603120), (7, 174516960), (8, 152702340), (10, 122161872), (12, 101801560), (14, 87258480), (15, 81441248), (16, 76351170), (20, 61080936), (21, 58172320), (24, 50900780), (28, 43629240), (30, 40720624), (32, 38175585), (35, 34903392), (40, 30540468), (42, 29086160), (48, 25450390), (56, 21814620), (60, 20360312), (70, 17451696), (80, 15270234), (84, 14543080), (96, 12725195), (105, 11634464), (112, 10907310), (120, 10180156), (140, 8725848), (160, 7635117), (168, 7271540), (210, 5817232), (224, 5453655), (240, 5090078), (280, 4362924), (336, 3635770), (420, 2908616), (480, 2545039), (560, 2181462), (672, 1817885), (840, 1454308), (1120, 1090731), (1680, 727154), (3360, 363577)]