1664640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^2$

素因数の和:59

約数の個数: 144

約数和(自身を含む): 6106230

約数和(自身を除く): 4441590

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 289, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 578, 612, 640, 680, 720, 765, 816, 867, 960, 1020, 1088, 1152, 1156, 1224, 1360, 1440, 1445, 1530, 1632, 1734, 1920, 2040, 2176, 2312, 2448, 2601, 2720, 2880, 2890, 3060, 3264, 3468, 4080, 4335, 4624, 4896, 5202, 5440, 5760, 5780, 6120, 6528, 6936, 8160, 8670, 9248, 9792, 10404, 10880, 11560, 12240, 13005, 13872, 16320, 17340, 18496, 19584, 20808, 23120, 24480, 26010, 27744, 32640, 34680, 36992, 41616, 46240, 48960, 52020, 55488, 69360, 83232, 92480, 97920, 104040, 110976, 138720, 166464, 184960, 208080, 277440, 332928, 416160, 554880, 832320, 1664640]

約数ペア:

[(1, 1664640), (2, 832320), (3, 554880), (4, 416160), (5, 332928), (6, 277440), (8, 208080), (9, 184960), (10, 166464), (12, 138720), (15, 110976), (16, 104040), (17, 97920), (18, 92480), (20, 83232), (24, 69360), (30, 55488), (32, 52020), (34, 48960), (36, 46240), (40, 41616), (45, 36992), (48, 34680), (51, 32640), (60, 27744), (64, 26010), (68, 24480), (72, 23120), (80, 20808), (85, 19584), (90, 18496), (96, 17340), (102, 16320), (120, 13872), (128, 13005), (136, 12240), (144, 11560), (153, 10880), (160, 10404), (170, 9792), (180, 9248), (192, 8670), (204, 8160), (240, 6936), (255, 6528), (272, 6120), (288, 5780), (289, 5760), (306, 5440), (320, 5202), (340, 4896), (360, 4624), (384, 4335), (408, 4080), (480, 3468), (510, 3264), (544, 3060), (576, 2890), (578, 2880), (612, 2720), (640, 2601), (680, 2448), (720, 2312), (765, 2176), (816, 2040), (867, 1920), (960, 1734), (1020, 1632), (1088, 1530), (1152, 1445), (1156, 1440), (1224, 1360)]