64081600

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 126

約数和(自身を含む): 173842172

約数和(自身を除く): 109760572

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 160, 176, 200, 220, 242, 275, 320, 331, 352, 400, 440, 484, 550, 605, 662, 704, 800, 880, 968, 1100, 1210, 1324, 1600, 1655, 1760, 1936, 2200, 2420, 2648, 3025, 3310, 3520, 3641, 3872, 4400, 4840, 5296, 6050, 6620, 7282, 7744, 8275, 8800, 9680, 10592, 12100, 13240, 14564, 16550, 17600, 18205, 19360, 21184, 24200, 26480, 29128, 33100, 36410, 38720, 40051, 48400, 52960, 58256, 66200, 72820, 80102, 91025, 96800, 105920, 116512, 132400, 145640, 160204, 182050, 193600, 200255, 233024, 264800, 291280, 320408, 364100, 400510, 529600, 582560, 640816, 728200, 801020, 1001275, 1165120, 1281632, 1456400, 1602040, 2002550, 2563264, 2912800, 3204080, 4005100, 5825600, 6408160, 8010200, 12816320, 16020400, 32040800, 64081600]

約数ペア:

[(1, 64081600), (2, 32040800), (4, 16020400), (5, 12816320), (8, 8010200), (10, 6408160), (11, 5825600), (16, 4005100), (20, 3204080), (22, 2912800), (25, 2563264), (32, 2002550), (40, 1602040), (44, 1456400), (50, 1281632), (55, 1165120), (64, 1001275), (80, 801020), (88, 728200), (100, 640816), (110, 582560), (121, 529600), (160, 400510), (176, 364100), (200, 320408), (220, 291280), (242, 264800), (275, 233024), (320, 200255), (331, 193600), (352, 182050), (400, 160204), (440, 145640), (484, 132400), (550, 116512), (605, 105920), (662, 96800), (704, 91025), (800, 80102), (880, 72820), (968, 66200), (1100, 58256), (1210, 52960), (1324, 48400), (1600, 40051), (1655, 38720), (1760, 36410), (1936, 33100), (2200, 29128), (2420, 26480), (2648, 24200), (3025, 21184), (3310, 19360), (3520, 18205), (3641, 17600), (3872, 16550), (4400, 14564), (4840, 13240), (5296, 12100), (6050, 10592), (6620, 9680), (7282, 8800), (7744, 8275)]