199997280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19841}}^1$

素因数の和:19869

約数の個数: 144

約数和(自身を含む): 780028704

約数和(自身を除く): 580031424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 19841, 39682, 59523, 79364, 99205, 119046, 138887, 158728, 178569, 198410, 238092, 277774, 297615, 317456, 357138, 396820, 416661, 476184, 555548, 595230, 634912, 694435, 714276, 793640, 833322, 892845, 952368, 1111096, 1190460, 1249983, 1388870, 1428552, 1587280, 1666644, 1785690, 1904736, 2083305, 2222192, 2380920, 2499966, 2777740, 2857104, 3174560, 3333288, 3571380, 4166610, 4444384, 4761840, 4999932, 5555480, 5714208, 6249915, 6666576, 7142760, 8333220, 9523680, 9999864, 11110960, 12499830, 13333152, 14285520, 16666440, 19999728, 22221920, 24999660, 28571040, 33332880, 39999456, 49999320, 66665760, 99998640, 199997280]

約数ペア:

[(1, 199997280), (2, 99998640), (3, 66665760), (4, 49999320), (5, 39999456), (6, 33332880), (7, 28571040), (8, 24999660), (9, 22221920), (10, 19999728), (12, 16666440), (14, 14285520), (15, 13333152), (16, 12499830), (18, 11110960), (20, 9999864), (21, 9523680), (24, 8333220), (28, 7142760), (30, 6666576), (32, 6249915), (35, 5714208), (36, 5555480), (40, 4999932), (42, 4761840), (45, 4444384), (48, 4166610), (56, 3571380), (60, 3333288), (63, 3174560), (70, 2857104), (72, 2777740), (80, 2499966), (84, 2380920), (90, 2222192), (96, 2083305), (105, 1904736), (112, 1785690), (120, 1666644), (126, 1587280), (140, 1428552), (144, 1388870), (160, 1249983), (168, 1190460), (180, 1111096), (210, 952368), (224, 892845), (240, 833322), (252, 793640), (280, 714276), (288, 694435), (315, 634912), (336, 595230), (360, 555548), (420, 476184), (480, 416661), (504, 396820), (560, 357138), (630, 317456), (672, 297615), (720, 277774), (840, 238092), (1008, 198410), (1120, 178569), (1260, 158728), (1440, 138887), (1680, 119046), (2016, 99205), (2520, 79364), (3360, 59523), (5040, 39682), (10080, 19841)]