163908780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12589}}^1$

素因数の和:12639

約数の個数: 96

約数和(自身を含む): 541470720

約数和(自身を除く): 377561940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 12589, 13020, 25178, 37767, 50356, 62945, 75534, 88123, 125890, 151068, 176246, 188835, 251780, 264369, 352492, 377670, 390259, 440615, 528738, 755340, 780518, 881230, 1057476, 1170777, 1321845, 1561036, 1762460, 1951295, 2341554, 2643690, 2731813, 3902590, 4683108, 5287380, 5463626, 5853885, 7805180, 8195439, 10927252, 11707770, 13659065, 16390878, 23415540, 27318130, 32781756, 40977195, 54636260, 81954390, 163908780]

約数ペア:

[(1, 163908780), (2, 81954390), (3, 54636260), (4, 40977195), (5, 32781756), (6, 27318130), (7, 23415540), (10, 16390878), (12, 13659065), (14, 11707770), (15, 10927252), (20, 8195439), (21, 7805180), (28, 5853885), (30, 5463626), (31, 5287380), (35, 4683108), (42, 3902590), (60, 2731813), (62, 2643690), (70, 2341554), (84, 1951295), (93, 1762460), (105, 1561036), (124, 1321845), (140, 1170777), (155, 1057476), (186, 881230), (210, 780518), (217, 755340), (310, 528738), (372, 440615), (420, 390259), (434, 377670), (465, 352492), (620, 264369), (651, 251780), (868, 188835), (930, 176246), (1085, 151068), (1302, 125890), (1860, 88123), (2170, 75534), (2604, 62945), (3255, 50356), (4340, 37767), (6510, 25178), (12589, 13020)]