299995920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19841}}^1$

素因数の和:19870

約数の個数: 160

約数和(自身を含む): 1180995840

約数和(自身を除く): 880999920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19841, 39682, 59523, 79364, 99205, 119046, 138887, 158728, 178569, 198410, 238092, 277774, 297615, 317456, 357138, 396820, 416661, 476184, 535707, 555548, 595230, 694435, 714276, 793640, 833322, 892845, 952368, 1071414, 1111096, 1190460, 1249983, 1388870, 1428552, 1587280, 1666644, 1785690, 2083305, 2142828, 2222192, 2380920, 2499966, 2678535, 2777740, 2857104, 3333288, 3571380, 3749949, 4166610, 4285656, 4761840, 4999932, 5357070, 5555480, 6249915, 6666576, 7142760, 7499898, 8333220, 8571312, 9999864, 10714140, 11110960, 12499830, 14285520, 14999796, 16666440, 18749745, 19999728, 21428280, 24999660, 29999592, 33332880, 37499490, 42856560, 49999320, 59999184, 74998980, 99998640, 149997960, 299995920]

約数ペア:

[(1, 299995920), (2, 149997960), (3, 99998640), (4, 74998980), (5, 59999184), (6, 49999320), (7, 42856560), (8, 37499490), (9, 33332880), (10, 29999592), (12, 24999660), (14, 21428280), (15, 19999728), (16, 18749745), (18, 16666440), (20, 14999796), (21, 14285520), (24, 12499830), (27, 11110960), (28, 10714140), (30, 9999864), (35, 8571312), (36, 8333220), (40, 7499898), (42, 7142760), (45, 6666576), (48, 6249915), (54, 5555480), (56, 5357070), (60, 4999932), (63, 4761840), (70, 4285656), (72, 4166610), (80, 3749949), (84, 3571380), (90, 3333288), (105, 2857104), (108, 2777740), (112, 2678535), (120, 2499966), (126, 2380920), (135, 2222192), (140, 2142828), (144, 2083305), (168, 1785690), (180, 1666644), (189, 1587280), (210, 1428552), (216, 1388870), (240, 1249983), (252, 1190460), (270, 1111096), (280, 1071414), (315, 952368), (336, 892845), (360, 833322), (378, 793640), (420, 714276), (432, 694435), (504, 595230), (540, 555548), (560, 535707), (630, 476184), (720, 416661), (756, 396820), (840, 357138), (945, 317456), (1008, 297615), (1080, 277774), (1260, 238092), (1512, 198410), (1680, 178569), (1890, 158728), (2160, 138887), (2520, 119046), (3024, 99205), (3780, 79364), (5040, 59523), (7560, 39682), (15120, 19841)]