642632940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{132229}}^1$

素因数の和:132253

約数の個数: 72

約数和(自身を含む): 2021532240

約数和(自身を除く): 1378899300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 132229, 264458, 396687, 528916, 661145, 793374, 1190061, 1322290, 1586748, 1983435, 2380122, 2644580, 3570183, 3966870, 4760244, 5950305, 7140366, 7933740, 10710549, 11900610, 14280732, 17850915, 21421098, 23801220, 32131647, 35701830, 42842196, 53552745, 64263294, 71403660, 107105490, 128526588, 160658235, 214210980, 321316470, 642632940]

約数ペア:

[(1, 642632940), (2, 321316470), (3, 214210980), (4, 160658235), (5, 128526588), (6, 107105490), (9, 71403660), (10, 64263294), (12, 53552745), (15, 42842196), (18, 35701830), (20, 32131647), (27, 23801220), (30, 21421098), (36, 17850915), (45, 14280732), (54, 11900610), (60, 10710549), (81, 7933740), (90, 7140366), (108, 5950305), (135, 4760244), (162, 3966870), (180, 3570183), (243, 2644580), (270, 2380122), (324, 1983435), (405, 1586748), (486, 1322290), (540, 1190061), (810, 793374), (972, 661145), (1215, 528916), (1620, 396687), (2430, 264458), (4860, 132229)]