66215680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:234

約数の個数: 108

約数和(自身を含む): 169427160

約数和(自身を除く): 103211480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 179, 256, 272, 289, 320, 340, 358, 544, 578, 640, 680, 716, 895, 1088, 1156, 1280, 1360, 1432, 1445, 1790, 2176, 2312, 2720, 2864, 2890, 3043, 3580, 4352, 4624, 5440, 5728, 5780, 6086, 7160, 9248, 10880, 11456, 11560, 12172, 14320, 15215, 18496, 21760, 22912, 23120, 24344, 28640, 30430, 36992, 45824, 46240, 48688, 51731, 57280, 60860, 73984, 92480, 97376, 103462, 114560, 121720, 184960, 194752, 206924, 229120, 243440, 258655, 369920, 389504, 413848, 486880, 517310, 779008, 827696, 973760, 1034620, 1655392, 1947520, 2069240, 3310784, 3895040, 4138480, 6621568, 8276960, 13243136, 16553920, 33107840, 66215680]

約数ペア:

[(1, 66215680), (2, 33107840), (4, 16553920), (5, 13243136), (8, 8276960), (10, 6621568), (16, 4138480), (17, 3895040), (20, 3310784), (32, 2069240), (34, 1947520), (40, 1655392), (64, 1034620), (68, 973760), (80, 827696), (85, 779008), (128, 517310), (136, 486880), (160, 413848), (170, 389504), (179, 369920), (256, 258655), (272, 243440), (289, 229120), (320, 206924), (340, 194752), (358, 184960), (544, 121720), (578, 114560), (640, 103462), (680, 97376), (716, 92480), (895, 73984), (1088, 60860), (1156, 57280), (1280, 51731), (1360, 48688), (1432, 46240), (1445, 45824), (1790, 36992), (2176, 30430), (2312, 28640), (2720, 24344), (2864, 23120), (2890, 22912), (3043, 21760), (3580, 18496), (4352, 15215), (4624, 14320), (5440, 12172), (5728, 11560), (5780, 11456), (6086, 10880), (7160, 9248)]