65917600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 187488000

約数和(自身を除く): 121570400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 149, 158, 160, 175, 200, 224, 280, 298, 316, 350, 395, 400, 553, 560, 596, 632, 700, 745, 790, 800, 1043, 1106, 1120, 1192, 1264, 1400, 1490, 1580, 1975, 2086, 2212, 2384, 2528, 2765, 2800, 2980, 3160, 3725, 3950, 4172, 4424, 4768, 5215, 5530, 5600, 5960, 6320, 7450, 7900, 8344, 8848, 10430, 11060, 11771, 11920, 12640, 13825, 14900, 15800, 16688, 17696, 20860, 22120, 23542, 23840, 26075, 27650, 29800, 31600, 33376, 41720, 44240, 47084, 52150, 55300, 58855, 59600, 63200, 82397, 83440, 88480, 94168, 104300, 110600, 117710, 119200, 164794, 166880, 188336, 208600, 221200, 235420, 294275, 329588, 376672, 411985, 417200, 442400, 470840, 588550, 659176, 823970, 834400, 941680, 1177100, 1318352, 1647940, 1883360, 2059925, 2354200, 2636704, 3295880, 4119850, 4708400, 6591760, 8239700, 9416800, 13183520, 16479400, 32958800, 65917600]

約数ペア:

[(1, 65917600), (2, 32958800), (4, 16479400), (5, 13183520), (7, 9416800), (8, 8239700), (10, 6591760), (14, 4708400), (16, 4119850), (20, 3295880), (25, 2636704), (28, 2354200), (32, 2059925), (35, 1883360), (40, 1647940), (50, 1318352), (56, 1177100), (70, 941680), (79, 834400), (80, 823970), (100, 659176), (112, 588550), (140, 470840), (149, 442400), (158, 417200), (160, 411985), (175, 376672), (200, 329588), (224, 294275), (280, 235420), (298, 221200), (316, 208600), (350, 188336), (395, 166880), (400, 164794), (553, 119200), (560, 117710), (596, 110600), (632, 104300), (700, 94168), (745, 88480), (790, 83440), (800, 82397), (1043, 63200), (1106, 59600), (1120, 58855), (1192, 55300), (1264, 52150), (1400, 47084), (1490, 44240), (1580, 41720), (1975, 33376), (2086, 31600), (2212, 29800), (2384, 27650), (2528, 26075), (2765, 23840), (2800, 23542), (2980, 22120), (3160, 20860), (3725, 17696), (3950, 16688), (4172, 15800), (4424, 14900), (4768, 13825), (5215, 12640), (5530, 11920), (5600, 11771), (5960, 11060), (6320, 10430), (7450, 8848), (7900, 8344)]