72041220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 232792560

約数和(自身を除く): 160751340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 145, 148, 174, 180, 185, 222, 261, 290, 333, 348, 370, 373, 435, 444, 522, 555, 580, 666, 740, 746, 870, 1044, 1073, 1110, 1119, 1305, 1332, 1492, 1665, 1740, 1865, 2146, 2220, 2238, 2610, 3219, 3330, 3357, 3730, 4292, 4476, 5220, 5365, 5595, 6438, 6660, 6714, 7460, 9657, 10730, 10817, 11190, 12876, 13428, 13801, 16095, 16785, 19314, 21460, 21634, 22380, 27602, 32190, 32451, 33570, 38628, 41403, 43268, 48285, 54085, 55204, 64380, 64902, 67140, 69005, 82806, 96570, 97353, 108170, 124209, 129804, 138010, 162255, 165612, 193140, 194706, 207015, 216340, 248418, 276020, 324510, 389412, 400229, 414030, 486765, 496836, 621045, 649020, 800458, 828060, 973530, 1200687, 1242090, 1600916, 1947060, 2001145, 2401374, 2484180, 3602061, 4002290, 4802748, 6003435, 7204122, 8004580, 12006870, 14408244, 18010305, 24013740, 36020610, 72041220]

約数ペア:

[(1, 72041220), (2, 36020610), (3, 24013740), (4, 18010305), (5, 14408244), (6, 12006870), (9, 8004580), (10, 7204122), (12, 6003435), (15, 4802748), (18, 4002290), (20, 3602061), (29, 2484180), (30, 2401374), (36, 2001145), (37, 1947060), (45, 1600916), (58, 1242090), (60, 1200687), (74, 973530), (87, 828060), (90, 800458), (111, 649020), (116, 621045), (145, 496836), (148, 486765), (174, 414030), (180, 400229), (185, 389412), (222, 324510), (261, 276020), (290, 248418), (333, 216340), (348, 207015), (370, 194706), (373, 193140), (435, 165612), (444, 162255), (522, 138010), (555, 129804), (580, 124209), (666, 108170), (740, 97353), (746, 96570), (870, 82806), (1044, 69005), (1073, 67140), (1110, 64902), (1119, 64380), (1305, 55204), (1332, 54085), (1492, 48285), (1665, 43268), (1740, 41403), (1865, 38628), (2146, 33570), (2220, 32451), (2238, 32190), (2610, 27602), (3219, 22380), (3330, 21634), (3357, 21460), (3730, 19314), (4292, 16785), (4476, 16095), (5220, 13801), (5365, 13428), (5595, 12876), (6438, 11190), (6660, 10817), (6714, 10730), (7460, 9657)]