81215200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 108

約数和(自身を含む): 218189160

約数和(自身を除く): 136973960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 121, 160, 176, 200, 220, 242, 275, 352, 400, 440, 484, 550, 605, 800, 839, 880, 968, 1100, 1210, 1678, 1760, 1936, 2200, 2420, 3025, 3356, 3872, 4195, 4400, 4840, 6050, 6712, 8390, 8800, 9229, 9680, 12100, 13424, 16780, 18458, 19360, 20975, 24200, 26848, 33560, 36916, 41950, 46145, 48400, 67120, 73832, 83900, 92290, 96800, 101519, 134240, 147664, 167800, 184580, 203038, 230725, 295328, 335600, 369160, 406076, 461450, 507595, 671200, 738320, 812152, 922900, 1015190, 1476640, 1624304, 1845800, 2030380, 2537975, 3248608, 3691600, 4060760, 5075950, 7383200, 8121520, 10151900, 16243040, 20303800, 40607600, 81215200]

約数ペア:

[(1, 81215200), (2, 40607600), (4, 20303800), (5, 16243040), (8, 10151900), (10, 8121520), (11, 7383200), (16, 5075950), (20, 4060760), (22, 3691600), (25, 3248608), (32, 2537975), (40, 2030380), (44, 1845800), (50, 1624304), (55, 1476640), (80, 1015190), (88, 922900), (100, 812152), (110, 738320), (121, 671200), (160, 507595), (176, 461450), (200, 406076), (220, 369160), (242, 335600), (275, 295328), (352, 230725), (400, 203038), (440, 184580), (484, 167800), (550, 147664), (605, 134240), (800, 101519), (839, 96800), (880, 92290), (968, 83900), (1100, 73832), (1210, 67120), (1678, 48400), (1760, 46145), (1936, 41950), (2200, 36916), (2420, 33560), (3025, 26848), (3356, 24200), (3872, 20975), (4195, 19360), (4400, 18458), (4840, 16780), (6050, 13424), (6712, 12100), (8390, 9680), (8800, 9229)]