90120900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 280232064

約数和(自身を除く): 190111164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 37, 46, 50, 60, 69, 74, 75, 92, 100, 111, 115, 138, 148, 150, 185, 222, 230, 276, 300, 345, 353, 370, 444, 460, 555, 575, 690, 706, 740, 851, 925, 1059, 1110, 1150, 1380, 1412, 1702, 1725, 1765, 1850, 2118, 2220, 2300, 2553, 2775, 3404, 3450, 3530, 3700, 4236, 4255, 5106, 5295, 5550, 6900, 7060, 8119, 8510, 8825, 10212, 10590, 11100, 12765, 13061, 16238, 17020, 17650, 21180, 21275, 24357, 25530, 26122, 26475, 32476, 35300, 39183, 40595, 42550, 48714, 51060, 52244, 52950, 63825, 65305, 78366, 81190, 85100, 97428, 105900, 121785, 127650, 130610, 156732, 162380, 195915, 202975, 243570, 255300, 261220, 300403, 326525, 391830, 405950, 487140, 600806, 608925, 653050, 783660, 811900, 901209, 979575, 1201612, 1217850, 1306100, 1502015, 1802418, 1959150, 2435700, 3004030, 3604836, 3918300, 4506045, 6008060, 7510075, 9012090, 15020150, 18024180, 22530225, 30040300, 45060450, 90120900]

約数ペア:

[(1, 90120900), (2, 45060450), (3, 30040300), (4, 22530225), (5, 18024180), (6, 15020150), (10, 9012090), (12, 7510075), (15, 6008060), (20, 4506045), (23, 3918300), (25, 3604836), (30, 3004030), (37, 2435700), (46, 1959150), (50, 1802418), (60, 1502015), (69, 1306100), (74, 1217850), (75, 1201612), (92, 979575), (100, 901209), (111, 811900), (115, 783660), (138, 653050), (148, 608925), (150, 600806), (185, 487140), (222, 405950), (230, 391830), (276, 326525), (300, 300403), (345, 261220), (353, 255300), (370, 243570), (444, 202975), (460, 195915), (555, 162380), (575, 156732), (690, 130610), (706, 127650), (740, 121785), (851, 105900), (925, 97428), (1059, 85100), (1110, 81190), (1150, 78366), (1380, 65305), (1412, 63825), (1702, 52950), (1725, 52244), (1765, 51060), (1850, 48714), (2118, 42550), (2220, 40595), (2300, 39183), (2553, 35300), (2775, 32476), (3404, 26475), (3450, 26122), (3530, 25530), (3700, 24357), (4236, 21275), (4255, 21180), (5106, 17650), (5295, 17020), (5550, 16238), (6900, 13061), (7060, 12765), (8119, 11100), (8510, 10590), (8825, 10212)]