20578972500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{17257}}^1$

素因数の和:17340

約数の個数: 180

約数和(自身を含む): 66233339172

約数和(自身を除く): 45654366672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 90, 100, 106, 125, 150, 159, 180, 212, 225, 250, 265, 300, 318, 375, 450, 477, 500, 530, 625, 636, 750, 795, 900, 954, 1060, 1125, 1250, 1325, 1500, 1590, 1875, 1908, 2250, 2385, 2500, 2650, 3180, 3750, 3975, 4500, 4770, 5300, 5625, 6625, 7500, 7950, 9540, 11250, 11925, 13250, 15900, 17257, 19875, 22500, 23850, 26500, 33125, 34514, 39750, 47700, 51771, 59625, 66250, 69028, 79500, 86285, 99375, 103542, 119250, 132500, 155313, 172570, 198750, 207084, 238500, 258855, 298125, 310626, 345140, 397500, 431425, 517710, 596250, 621252, 776565, 862850, 914621, 1035420, 1192500, 1294275, 1553130, 1725700, 1829242, 2157125, 2588550, 2743863, 3106260, 3658484, 3882825, 4314250, 4573105, 5177100, 5487726, 6471375, 7765650, 8231589, 8628500, 9146210, 10785625, 10975452, 12942750, 13719315, 15531300, 16463178, 18292420, 19414125, 21571250, 22865525, 25885500, 27438630, 32356875, 32926356, 38828250, 41157945, 43142500, 45731050, 54877260, 64713750, 68596575, 77656500, 82315890, 91462100, 97070625, 114327625, 129427500, 137193150, 164631780, 194141250, 205789725, 228655250, 274386300, 342982875, 388282500, 411579450, 457310500, 571638125, 685965750, 823158900, 1028948625, 1143276250, 1371931500, 1714914375, 2057897250, 2286552500, 3429828750, 4115794500, 5144743125, 6859657500, 10289486250, 20578972500]

約数ペア:

[(1, 20578972500), (2, 10289486250), (3, 6859657500), (4, 5144743125), (5, 4115794500), (6, 3429828750), (9, 2286552500), (10, 2057897250), (12, 1714914375), (15, 1371931500), (18, 1143276250), (20, 1028948625), (25, 823158900), (30, 685965750), (36, 571638125), (45, 457310500), (50, 411579450), (53, 388282500), (60, 342982875), (75, 274386300), (90, 228655250), (100, 205789725), (106, 194141250), (125, 164631780), (150, 137193150), (159, 129427500), (180, 114327625), (212, 97070625), (225, 91462100), (250, 82315890), (265, 77656500), (300, 68596575), (318, 64713750), (375, 54877260), (450, 45731050), (477, 43142500), (500, 41157945), (530, 38828250), (625, 32926356), (636, 32356875), (750, 27438630), (795, 25885500), (900, 22865525), (954, 21571250), (1060, 19414125), (1125, 18292420), (1250, 16463178), (1325, 15531300), (1500, 13719315), (1590, 12942750), (1875, 10975452), (1908, 10785625), (2250, 9146210), (2385, 8628500), (2500, 8231589), (2650, 7765650), (3180, 6471375), (3750, 5487726), (3975, 5177100), (4500, 4573105), (4770, 4314250), (5300, 3882825), (5625, 3658484), (6625, 3106260), (7500, 2743863), (7950, 2588550), (9540, 2157125), (11250, 1829242), (11925, 1725700), (13250, 1553130), (15900, 1294275), (17257, 1192500), (19875, 1035420), (22500, 914621), (23850, 862850), (26500, 776565), (33125, 621252), (34514, 596250), (39750, 517710), (47700, 431425), (51771, 397500), (59625, 345140), (66250, 310626), (69028, 298125), (79500, 258855), (86285, 238500), (99375, 207084), (103542, 198750), (119250, 172570), (132500, 155313)]