19961760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 192

約数和(自身を含む): 77559552

約数和(自身を除く): 57597792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 457, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 914, 1040, 1092, 1120, 1248, 1365, 1371, 1456, 1560, 1680, 1820, 1828, 2080, 2184, 2285, 2730, 2742, 2912, 3120, 3199, 3360, 3640, 3656, 4368, 4570, 5460, 5484, 5941, 6240, 6398, 6855, 7280, 7312, 8736, 9140, 9597, 10920, 10968, 11882, 12796, 13710, 14560, 14624, 15995, 17823, 18280, 19194, 21840, 21936, 23764, 25592, 27420, 29705, 31990, 35646, 36560, 38388, 41587, 43680, 43872, 47528, 47985, 51184, 54840, 59410, 63980, 71292, 73120, 76776, 83174, 89115, 95056, 95970, 102368, 109680, 118820, 124761, 127960, 142584, 153552, 166348, 178230, 190112, 191940, 207935, 219360, 237640, 249522, 255920, 285168, 307104, 332696, 356460, 383880, 415870, 475280, 499044, 511840, 570336, 623805, 665392, 712920, 767760, 831740, 950560, 998088, 1247610, 1330784, 1425840, 1535520, 1663480, 1996176, 2495220, 2851680, 3326960, 3992352, 4990440, 6653920, 9980880, 19961760]

約数ペア:

[(1, 19961760), (2, 9980880), (3, 6653920), (4, 4990440), (5, 3992352), (6, 3326960), (7, 2851680), (8, 2495220), (10, 1996176), (12, 1663480), (13, 1535520), (14, 1425840), (15, 1330784), (16, 1247610), (20, 998088), (21, 950560), (24, 831740), (26, 767760), (28, 712920), (30, 665392), (32, 623805), (35, 570336), (39, 511840), (40, 499044), (42, 475280), (48, 415870), (52, 383880), (56, 356460), (60, 332696), (65, 307104), (70, 285168), (78, 255920), (80, 249522), (84, 237640), (91, 219360), (96, 207935), (104, 191940), (105, 190112), (112, 178230), (120, 166348), (130, 153552), (140, 142584), (156, 127960), (160, 124761), (168, 118820), (182, 109680), (195, 102368), (208, 95970), (210, 95056), (224, 89115), (240, 83174), (260, 76776), (273, 73120), (280, 71292), (312, 63980), (336, 59410), (364, 54840), (390, 51184), (416, 47985), (420, 47528), (455, 43872), (457, 43680), (480, 41587), (520, 38388), (546, 36560), (560, 35646), (624, 31990), (672, 29705), (728, 27420), (780, 25592), (840, 23764), (910, 21936), (914, 21840), (1040, 19194), (1092, 18280), (1120, 17823), (1248, 15995), (1365, 14624), (1371, 14560), (1456, 13710), (1560, 12796), (1680, 11882), (1820, 10968), (1828, 10920), (2080, 9597), (2184, 9140), (2285, 8736), (2730, 7312), (2742, 7280), (2912, 6855), (3120, 6398), (3199, 6240), (3360, 5941), (3640, 5484), (3656, 5460), (4368, 4570)]