72940320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^3$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 255822840

約数和(自身を除く): 182882520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1369, 1440, 1480, 1665, 1776, 2220, 2664, 2738, 2960, 3330, 3552, 4107, 4440, 5328, 5476, 5920, 6660, 6845, 8214, 8880, 10656, 10952, 12321, 13320, 13690, 16428, 17760, 20535, 21904, 24642, 26640, 27380, 32856, 41070, 43808, 49284, 50653, 53280, 54760, 61605, 65712, 82140, 98568, 101306, 109520, 123210, 131424, 151959, 164280, 197136, 202612, 219040, 246420, 253265, 303918, 328560, 394272, 405224, 455877, 492840, 506530, 607836, 657120, 759795, 810448, 911754, 985680, 1013060, 1215672, 1519590, 1620896, 1823508, 1971360, 2026120, 2279385, 2431344, 3039180, 3647016, 4052240, 4558770, 4862688, 6078360, 7294032, 8104480, 9117540, 12156720, 14588064, 18235080, 24313440, 36470160, 72940320]

約数ペア:

[(1, 72940320), (2, 36470160), (3, 24313440), (4, 18235080), (5, 14588064), (6, 12156720), (8, 9117540), (9, 8104480), (10, 7294032), (12, 6078360), (15, 4862688), (16, 4558770), (18, 4052240), (20, 3647016), (24, 3039180), (30, 2431344), (32, 2279385), (36, 2026120), (37, 1971360), (40, 1823508), (45, 1620896), (48, 1519590), (60, 1215672), (72, 1013060), (74, 985680), (80, 911754), (90, 810448), (96, 759795), (111, 657120), (120, 607836), (144, 506530), (148, 492840), (160, 455877), (180, 405224), (185, 394272), (222, 328560), (240, 303918), (288, 253265), (296, 246420), (333, 219040), (360, 202612), (370, 197136), (444, 164280), (480, 151959), (555, 131424), (592, 123210), (666, 109520), (720, 101306), (740, 98568), (888, 82140), (1110, 65712), (1184, 61605), (1332, 54760), (1369, 53280), (1440, 50653), (1480, 49284), (1665, 43808), (1776, 41070), (2220, 32856), (2664, 27380), (2738, 26640), (2960, 24642), (3330, 21904), (3552, 20535), (4107, 17760), (4440, 16428), (5328, 13690), (5476, 13320), (5920, 12321), (6660, 10952), (6845, 10656), (8214, 8880)]