220245760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 616928256

約数和(自身を除く): 396682496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 280, 320, 329, 376, 448, 470, 523, 560, 640, 658, 752, 896, 940, 1046, 1120, 1280, 1316, 1504, 1645, 1792, 1880, 2092, 2240, 2615, 2632, 3008, 3290, 3661, 3760, 4184, 4480, 5230, 5264, 6016, 6580, 7322, 7520, 8368, 8960, 10460, 10528, 12032, 13160, 14644, 15040, 16736, 18305, 20920, 21056, 24581, 26320, 29288, 30080, 33472, 36610, 41840, 42112, 49162, 52640, 58576, 60160, 66944, 73220, 83680, 84224, 98324, 105280, 117152, 122905, 133888, 146440, 167360, 172067, 196648, 210560, 234304, 245810, 292880, 334720, 344134, 393296, 421120, 468608, 491620, 585760, 669440, 688268, 786592, 860335, 937216, 983240, 1171520, 1376536, 1573184, 1720670, 1966480, 2343040, 2753072, 3146368, 3441340, 3932960, 4686080, 5506144, 6292736, 6882680, 7865920, 11012288, 13765360, 15731840, 22024576, 27530720, 31463680, 44049152, 55061440, 110122880, 220245760]

約数ペア:

[(1, 220245760), (2, 110122880), (4, 55061440), (5, 44049152), (7, 31463680), (8, 27530720), (10, 22024576), (14, 15731840), (16, 13765360), (20, 11012288), (28, 7865920), (32, 6882680), (35, 6292736), (40, 5506144), (47, 4686080), (56, 3932960), (64, 3441340), (70, 3146368), (80, 2753072), (94, 2343040), (112, 1966480), (128, 1720670), (140, 1573184), (160, 1376536), (188, 1171520), (224, 983240), (235, 937216), (256, 860335), (280, 786592), (320, 688268), (329, 669440), (376, 585760), (448, 491620), (470, 468608), (523, 421120), (560, 393296), (640, 344134), (658, 334720), (752, 292880), (896, 245810), (940, 234304), (1046, 210560), (1120, 196648), (1280, 172067), (1316, 167360), (1504, 146440), (1645, 133888), (1792, 122905), (1880, 117152), (2092, 105280), (2240, 98324), (2615, 84224), (2632, 83680), (3008, 73220), (3290, 66944), (3661, 60160), (3760, 58576), (4184, 52640), (4480, 49162), (5230, 42112), (5264, 41840), (6016, 36610), (6580, 33472), (7322, 30080), (7520, 29288), (8368, 26320), (8960, 24581), (10460, 21056), (10528, 20920), (12032, 18305), (13160, 16736), (14644, 15040)]