2123520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 7848960

約数和(自身を除く): 5725440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 128, 140, 158, 160, 168, 192, 210, 224, 237, 240, 256, 280, 316, 320, 336, 384, 395, 420, 448, 474, 480, 553, 560, 632, 640, 672, 768, 790, 840, 896, 948, 960, 1106, 1120, 1185, 1264, 1280, 1344, 1580, 1659, 1680, 1792, 1896, 1920, 2212, 2240, 2370, 2528, 2688, 2765, 3160, 3318, 3360, 3792, 3840, 4424, 4480, 4740, 5056, 5376, 5530, 6320, 6636, 6720, 7584, 8295, 8848, 8960, 9480, 10112, 11060, 12640, 13272, 13440, 15168, 16590, 17696, 18960, 20224, 22120, 25280, 26544, 26880, 30336, 33180, 35392, 37920, 44240, 50560, 53088, 60672, 66360, 70784, 75840, 88480, 101120, 106176, 132720, 141568, 151680, 176960, 212352, 265440, 303360, 353920, 424704, 530880, 707840, 1061760, 2123520]

約数ペア:

[(1, 2123520), (2, 1061760), (3, 707840), (4, 530880), (5, 424704), (6, 353920), (7, 303360), (8, 265440), (10, 212352), (12, 176960), (14, 151680), (15, 141568), (16, 132720), (20, 106176), (21, 101120), (24, 88480), (28, 75840), (30, 70784), (32, 66360), (35, 60672), (40, 53088), (42, 50560), (48, 44240), (56, 37920), (60, 35392), (64, 33180), (70, 30336), (79, 26880), (80, 26544), (84, 25280), (96, 22120), (105, 20224), (112, 18960), (120, 17696), (128, 16590), (140, 15168), (158, 13440), (160, 13272), (168, 12640), (192, 11060), (210, 10112), (224, 9480), (237, 8960), (240, 8848), (256, 8295), (280, 7584), (316, 6720), (320, 6636), (336, 6320), (384, 5530), (395, 5376), (420, 5056), (448, 4740), (474, 4480), (480, 4424), (553, 3840), (560, 3792), (632, 3360), (640, 3318), (672, 3160), (768, 2765), (790, 2688), (840, 2528), (896, 2370), (948, 2240), (960, 2212), (1106, 1920), (1120, 1896), (1185, 1792), (1264, 1680), (1280, 1659), (1344, 1580)]