72031600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 184635008

約数和(自身を除く): 112603408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 37, 40, 50, 62, 74, 80, 100, 124, 148, 155, 157, 185, 200, 248, 296, 310, 314, 370, 400, 496, 592, 620, 628, 740, 775, 785, 925, 1147, 1240, 1256, 1480, 1550, 1570, 1850, 2294, 2480, 2512, 2960, 3100, 3140, 3700, 3925, 4588, 4867, 5735, 5809, 6200, 6280, 7400, 7850, 9176, 9734, 11470, 11618, 12400, 12560, 14800, 15700, 18352, 19468, 22940, 23236, 24335, 28675, 29045, 31400, 38936, 45880, 46472, 48670, 57350, 58090, 62800, 77872, 91760, 92944, 97340, 114700, 116180, 121675, 145225, 180079, 194680, 229400, 232360, 243350, 290450, 360158, 389360, 458800, 464720, 486700, 580900, 720316, 900395, 973400, 1161800, 1440632, 1800790, 1946800, 2323600, 2881264, 3601580, 4501975, 7203160, 9003950, 14406320, 18007900, 36015800, 72031600]

約数ペア:

[(1, 72031600), (2, 36015800), (4, 18007900), (5, 14406320), (8, 9003950), (10, 7203160), (16, 4501975), (20, 3601580), (25, 2881264), (31, 2323600), (37, 1946800), (40, 1800790), (50, 1440632), (62, 1161800), (74, 973400), (80, 900395), (100, 720316), (124, 580900), (148, 486700), (155, 464720), (157, 458800), (185, 389360), (200, 360158), (248, 290450), (296, 243350), (310, 232360), (314, 229400), (370, 194680), (400, 180079), (496, 145225), (592, 121675), (620, 116180), (628, 114700), (740, 97340), (775, 92944), (785, 91760), (925, 77872), (1147, 62800), (1240, 58090), (1256, 57350), (1480, 48670), (1550, 46472), (1570, 45880), (1850, 38936), (2294, 31400), (2480, 29045), (2512, 28675), (2960, 24335), (3100, 23236), (3140, 22940), (3700, 19468), (3925, 18352), (4588, 15700), (4867, 14800), (5735, 12560), (5809, 12400), (6200, 11618), (6280, 11470), (7400, 9734), (7850, 9176)]