79983720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2440

約数の個数: 128

約数和(自身を含む): 275328000

約数和(自身を除く): 195344280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2389, 2790, 3348, 3720, 4185, 4778, 5580, 6696, 7167, 8370, 9556, 11160, 11945, 14334, 16740, 19112, 21501, 23890, 28668, 33480, 35835, 43002, 47780, 57336, 64503, 71670, 74059, 86004, 95560, 107505, 129006, 143340, 148118, 172008, 215010, 222177, 258012, 286680, 296236, 322515, 370295, 430020, 444354, 516024, 592472, 645030, 666531, 740590, 860040, 888708, 1110885, 1290060, 1333062, 1481180, 1777416, 1999593, 2221770, 2580120, 2666124, 2962360, 3332655, 3999186, 4443540, 5332248, 6665310, 7998372, 8887080, 9997965, 13330620, 15996744, 19995930, 26661240, 39991860, 79983720]

約数ペア:

[(1, 79983720), (2, 39991860), (3, 26661240), (4, 19995930), (5, 15996744), (6, 13330620), (8, 9997965), (9, 8887080), (10, 7998372), (12, 6665310), (15, 5332248), (18, 4443540), (20, 3999186), (24, 3332655), (27, 2962360), (30, 2666124), (31, 2580120), (36, 2221770), (40, 1999593), (45, 1777416), (54, 1481180), (60, 1333062), (62, 1290060), (72, 1110885), (90, 888708), (93, 860040), (108, 740590), (120, 666531), (124, 645030), (135, 592472), (155, 516024), (180, 444354), (186, 430020), (216, 370295), (248, 322515), (270, 296236), (279, 286680), (310, 258012), (360, 222177), (372, 215010), (465, 172008), (540, 148118), (558, 143340), (620, 129006), (744, 107505), (837, 95560), (930, 86004), (1080, 74059), (1116, 71670), (1240, 64503), (1395, 57336), (1674, 47780), (1860, 43002), (2232, 35835), (2389, 33480), (2790, 28668), (3348, 23890), (3720, 21501), (4185, 19112), (4778, 16740), (5580, 14334), (6696, 11945), (7167, 11160), (8370, 9556)]