128907900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 216

約数和(自身を含む): 457002000

約数和(自身を除く): 328094100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 29, 30, 33, 36, 44, 45, 50, 55, 58, 60, 66, 75, 87, 90, 99, 100, 110, 116, 132, 145, 150, 165, 174, 180, 198, 220, 225, 261, 275, 290, 300, 319, 330, 348, 396, 435, 449, 450, 495, 522, 550, 580, 638, 660, 725, 825, 870, 898, 900, 957, 990, 1044, 1100, 1276, 1305, 1347, 1450, 1595, 1650, 1740, 1796, 1914, 1980, 2175, 2245, 2475, 2610, 2694, 2871, 2900, 3190, 3300, 3828, 4041, 4350, 4490, 4785, 4939, 4950, 5220, 5388, 5742, 6380, 6525, 6735, 7975, 8082, 8700, 8980, 9570, 9878, 9900, 11225, 11484, 13021, 13050, 13470, 14355, 14817, 15950, 16164, 19140, 19756, 20205, 22450, 23925, 24695, 26042, 26100, 26940, 28710, 29634, 31900, 33675, 39063, 40410, 44451, 44900, 47850, 49390, 52084, 57420, 59268, 65105, 67350, 71775, 74085, 78126, 80820, 88902, 95700, 98780, 101025, 117189, 123475, 130210, 134700, 143231, 143550, 148170, 156252, 177804, 195315, 202050, 222255, 234378, 246950, 260420, 286462, 287100, 296340, 325525, 370425, 390630, 404100, 429693, 444510, 468756, 493900, 572924, 585945, 651050, 716155, 740850, 781260, 859386, 889020, 976575, 1111275, 1171890, 1289079, 1302100, 1432310, 1481700, 1718772, 1953150, 2148465, 2222550, 2343780, 2578158, 2864620, 2929725, 3580775, 3906300, 4296930, 4445100, 5156316, 5859450, 6445395, 7161550, 8593860, 10742325, 11718900, 12890790, 14323100, 21484650, 25781580, 32226975, 42969300, 64453950, 128907900]

約数ペア:

[(1, 128907900), (2, 64453950), (3, 42969300), (4, 32226975), (5, 25781580), (6, 21484650), (9, 14323100), (10, 12890790), (11, 11718900), (12, 10742325), (15, 8593860), (18, 7161550), (20, 6445395), (22, 5859450), (25, 5156316), (29, 4445100), (30, 4296930), (33, 3906300), (36, 3580775), (44, 2929725), (45, 2864620), (50, 2578158), (55, 2343780), (58, 2222550), (60, 2148465), (66, 1953150), (75, 1718772), (87, 1481700), (90, 1432310), (99, 1302100), (100, 1289079), (110, 1171890), (116, 1111275), (132, 976575), (145, 889020), (150, 859386), (165, 781260), (174, 740850), (180, 716155), (198, 651050), (220, 585945), (225, 572924), (261, 493900), (275, 468756), (290, 444510), (300, 429693), (319, 404100), (330, 390630), (348, 370425), (396, 325525), (435, 296340), (449, 287100), (450, 286462), (495, 260420), (522, 246950), (550, 234378), (580, 222255), (638, 202050), (660, 195315), (725, 177804), (825, 156252), (870, 148170), (898, 143550), (900, 143231), (957, 134700), (990, 130210), (1044, 123475), (1100, 117189), (1276, 101025), (1305, 98780), (1347, 95700), (1450, 88902), (1595, 80820), (1650, 78126), (1740, 74085), (1796, 71775), (1914, 67350), (1980, 65105), (2175, 59268), (2245, 57420), (2475, 52084), (2610, 49390), (2694, 47850), (2871, 44900), (2900, 44451), (3190, 40410), (3300, 39063), (3828, 33675), (4041, 31900), (4350, 29634), (4490, 28710), (4785, 26940), (4939, 26100), (4950, 26042), (5220, 24695), (5388, 23925), (5742, 22450), (6380, 20205), (6525, 19756), (6735, 19140), (7975, 16164), (8082, 15950), (8700, 14817), (8980, 14355), (9570, 13470), (9878, 13050), (9900, 13021), (11225, 11484)]