31419180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 106404480

約数和(自身を除く): 74985300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 463, 468, 522, 580, 585, 754, 780, 870, 926, 1044, 1131, 1170, 1305, 1389, 1508, 1740, 1852, 1885, 2262, 2315, 2340, 2610, 2778, 3393, 3770, 4167, 4524, 4630, 5220, 5556, 5655, 6019, 6786, 6945, 7540, 8334, 9260, 11310, 12038, 13427, 13572, 13890, 16668, 16965, 18057, 20835, 22620, 24076, 26854, 27780, 30095, 33930, 36114, 40281, 41670, 53708, 54171, 60190, 67135, 67860, 72228, 80562, 83340, 90285, 108342, 120380, 120843, 134270, 161124, 174551, 180570, 201405, 216684, 241686, 268540, 270855, 349102, 361140, 402810, 483372, 523653, 541710, 604215, 698204, 805620, 872755, 1047306, 1083420, 1208430, 1570959, 1745510, 2094612, 2416860, 2618265, 3141918, 3491020, 5236530, 6283836, 7854795, 10473060, 15709590, 31419180]

約数ペア:

[(1, 31419180), (2, 15709590), (3, 10473060), (4, 7854795), (5, 6283836), (6, 5236530), (9, 3491020), (10, 3141918), (12, 2618265), (13, 2416860), (15, 2094612), (18, 1745510), (20, 1570959), (26, 1208430), (29, 1083420), (30, 1047306), (36, 872755), (39, 805620), (45, 698204), (52, 604215), (58, 541710), (60, 523653), (65, 483372), (78, 402810), (87, 361140), (90, 349102), (116, 270855), (117, 268540), (130, 241686), (145, 216684), (156, 201405), (174, 180570), (180, 174551), (195, 161124), (234, 134270), (260, 120843), (261, 120380), (290, 108342), (348, 90285), (377, 83340), (390, 80562), (435, 72228), (463, 67860), (468, 67135), (522, 60190), (580, 54171), (585, 53708), (754, 41670), (780, 40281), (870, 36114), (926, 33930), (1044, 30095), (1131, 27780), (1170, 26854), (1305, 24076), (1389, 22620), (1508, 20835), (1740, 18057), (1852, 16965), (1885, 16668), (2262, 13890), (2315, 13572), (2340, 13427), (2610, 12038), (2778, 11310), (3393, 9260), (3770, 8334), (4167, 7540), (4524, 6945), (4630, 6786), (5220, 6019), (5556, 5655)]