31397520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1699}}^1$

素因数の和:1733

約数の個数: 160

約数和(自身を含む): 121420800

約数和(自身を除く): 90023280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1699, 1848, 2310, 2640, 3080, 3398, 3696, 4620, 5097, 6160, 6796, 8495, 9240, 10194, 11893, 13592, 16990, 18480, 18689, 20388, 23786, 25485, 27184, 33980, 35679, 37378, 40776, 47572, 50970, 56067, 59465, 67960, 71358, 74756, 81552, 93445, 95144, 101940, 112134, 118930, 130823, 135920, 142716, 149512, 178395, 186890, 190288, 203880, 224268, 237860, 261646, 280335, 285432, 299024, 356790, 373780, 392469, 407760, 448536, 475720, 523292, 560670, 570864, 654115, 713580, 747560, 784938, 897072, 951440, 1046584, 1121340, 1308230, 1427160, 1495120, 1569876, 1962345, 2093168, 2242680, 2616460, 2854320, 3139752, 3924690, 4485360, 5232920, 6279504, 7849380, 10465840, 15698760, 31397520]

約数ペア:

[(1, 31397520), (2, 15698760), (3, 10465840), (4, 7849380), (5, 6279504), (6, 5232920), (7, 4485360), (8, 3924690), (10, 3139752), (11, 2854320), (12, 2616460), (14, 2242680), (15, 2093168), (16, 1962345), (20, 1569876), (21, 1495120), (22, 1427160), (24, 1308230), (28, 1121340), (30, 1046584), (33, 951440), (35, 897072), (40, 784938), (42, 747560), (44, 713580), (48, 654115), (55, 570864), (56, 560670), (60, 523292), (66, 475720), (70, 448536), (77, 407760), (80, 392469), (84, 373780), (88, 356790), (105, 299024), (110, 285432), (112, 280335), (120, 261646), (132, 237860), (140, 224268), (154, 203880), (165, 190288), (168, 186890), (176, 178395), (210, 149512), (220, 142716), (231, 135920), (240, 130823), (264, 118930), (280, 112134), (308, 101940), (330, 95144), (336, 93445), (385, 81552), (420, 74756), (440, 71358), (462, 67960), (528, 59465), (560, 56067), (616, 50970), (660, 47572), (770, 40776), (840, 37378), (880, 35679), (924, 33980), (1155, 27184), (1232, 25485), (1320, 23786), (1540, 20388), (1680, 18689), (1699, 18480), (1848, 16990), (2310, 13592), (2640, 11893), (3080, 10194), (3398, 9240), (3696, 8495), (4620, 6796), (5097, 6160)]