402735680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 112

約数和(自身を含む): 987552000

約数和(自身を除く): 584816320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 89, 158, 160, 178, 179, 316, 320, 356, 358, 395, 445, 632, 712, 716, 790, 890, 895, 1264, 1424, 1432, 1580, 1780, 1790, 2528, 2848, 2864, 3160, 3560, 3580, 5056, 5696, 5728, 6320, 7031, 7120, 7160, 11456, 12640, 14062, 14141, 14240, 14320, 15931, 25280, 28124, 28282, 28480, 28640, 31862, 35155, 56248, 56564, 57280, 63724, 70310, 70705, 79655, 112496, 113128, 127448, 140620, 141410, 159310, 224992, 226256, 254896, 281240, 282820, 318620, 449984, 452512, 509792, 562480, 565640, 637240, 905024, 1019584, 1124960, 1131280, 1258549, 1274480, 2249920, 2262560, 2517098, 2548960, 4525120, 5034196, 5097920, 6292745, 10068392, 12585490, 20136784, 25170980, 40273568, 50341960, 80547136, 100683920, 201367840, 402735680]

約数ペア:

[(1, 402735680), (2, 201367840), (4, 100683920), (5, 80547136), (8, 50341960), (10, 40273568), (16, 25170980), (20, 20136784), (32, 12585490), (40, 10068392), (64, 6292745), (79, 5097920), (80, 5034196), (89, 4525120), (158, 2548960), (160, 2517098), (178, 2262560), (179, 2249920), (316, 1274480), (320, 1258549), (356, 1131280), (358, 1124960), (395, 1019584), (445, 905024), (632, 637240), (712, 565640), (716, 562480), (790, 509792), (890, 452512), (895, 449984), (1264, 318620), (1424, 282820), (1432, 281240), (1580, 254896), (1780, 226256), (1790, 224992), (2528, 159310), (2848, 141410), (2864, 140620), (3160, 127448), (3560, 113128), (3580, 112496), (5056, 79655), (5696, 70705), (5728, 70310), (6320, 63724), (7031, 57280), (7120, 56564), (7160, 56248), (11456, 35155), (12640, 31862), (14062, 28640), (14141, 28480), (14240, 28282), (14320, 28124), (15931, 25280)]