128430960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 472934016

約数和(自身を除く): 344503056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 67, 70, 80, 84, 98, 105, 112, 120, 134, 140, 147, 163, 168, 196, 201, 210, 240, 245, 268, 280, 294, 326, 335, 336, 392, 402, 420, 469, 489, 490, 536, 560, 588, 652, 670, 735, 784, 804, 815, 840, 938, 978, 980, 1005, 1072, 1141, 1176, 1304, 1340, 1407, 1470, 1608, 1630, 1680, 1876, 1956, 1960, 2010, 2282, 2345, 2352, 2445, 2608, 2680, 2814, 2940, 3216, 3260, 3283, 3423, 3752, 3912, 3920, 4020, 4564, 4690, 4890, 5360, 5628, 5705, 5880, 6520, 6566, 6846, 7035, 7504, 7824, 7987, 8040, 9128, 9380, 9780, 9849, 10921, 11256, 11410, 11760, 13040, 13132, 13692, 14070, 15974, 16080, 16415, 17115, 18256, 18760, 19560, 19698, 21842, 22512, 22820, 23961, 26264, 27384, 28140, 31948, 32763, 32830, 34230, 37520, 39120, 39396, 39935, 43684, 45640, 47922, 49245, 52528, 54605, 54768, 56280, 63896, 65526, 65660, 68460, 76447, 78792, 79870, 87368, 91280, 95844, 98490, 109210, 112560, 119805, 127792, 131052, 131320, 136920, 152894, 157584, 159740, 163815, 174736, 191688, 196980, 218420, 229341, 239610, 262104, 262640, 273840, 305788, 319480, 327630, 382235, 383376, 393960, 436840, 458682, 479220, 524208, 535129, 611576, 638960, 655260, 764470, 787920, 873680, 917364, 958440, 1070258, 1146705, 1223152, 1310520, 1528940, 1605387, 1834728, 1916880, 2140516, 2293410, 2621040, 2675645, 3057880, 3210774, 3669456, 4281032, 4586820, 5351290, 6115760, 6421548, 8026935, 8562064, 9173640, 10702580, 12843096, 16053870, 18347280, 21405160, 25686192, 32107740, 42810320, 64215480, 128430960]

約数ペア:

[(1, 128430960), (2, 64215480), (3, 42810320), (4, 32107740), (5, 25686192), (6, 21405160), (7, 18347280), (8, 16053870), (10, 12843096), (12, 10702580), (14, 9173640), (15, 8562064), (16, 8026935), (20, 6421548), (21, 6115760), (24, 5351290), (28, 4586820), (30, 4281032), (35, 3669456), (40, 3210774), (42, 3057880), (48, 2675645), (49, 2621040), (56, 2293410), (60, 2140516), (67, 1916880), (70, 1834728), (80, 1605387), (84, 1528940), (98, 1310520), (105, 1223152), (112, 1146705), (120, 1070258), (134, 958440), (140, 917364), (147, 873680), (163, 787920), (168, 764470), (196, 655260), (201, 638960), (210, 611576), (240, 535129), (245, 524208), (268, 479220), (280, 458682), (294, 436840), (326, 393960), (335, 383376), (336, 382235), (392, 327630), (402, 319480), (420, 305788), (469, 273840), (489, 262640), (490, 262104), (536, 239610), (560, 229341), (588, 218420), (652, 196980), (670, 191688), (735, 174736), (784, 163815), (804, 159740), (815, 157584), (840, 152894), (938, 136920), (978, 131320), (980, 131052), (1005, 127792), (1072, 119805), (1141, 112560), (1176, 109210), (1304, 98490), (1340, 95844), (1407, 91280), (1470, 87368), (1608, 79870), (1630, 78792), (1680, 76447), (1876, 68460), (1956, 65660), (1960, 65526), (2010, 63896), (2282, 56280), (2345, 54768), (2352, 54605), (2445, 52528), (2608, 49245), (2680, 47922), (2814, 45640), (2940, 43684), (3216, 39935), (3260, 39396), (3283, 39120), (3423, 37520), (3752, 34230), (3912, 32830), (3920, 32763), (4020, 31948), (4564, 28140), (4690, 27384), (4890, 26264), (5360, 23961), (5628, 22820), (5705, 22512), (5880, 21842), (6520, 19698), (6566, 19560), (6846, 18760), (7035, 18256), (7504, 17115), (7824, 16415), (7987, 16080), (8040, 15974), (9128, 14070), (9380, 13692), (9780, 13132), (9849, 13040), (10921, 11760), (11256, 11410)]