19954320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 66424320

約数和(自身を除く): 46470000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 47, 48, 58, 60, 61, 80, 87, 94, 116, 120, 122, 141, 145, 174, 183, 188, 232, 235, 240, 244, 282, 290, 305, 348, 366, 376, 435, 464, 470, 488, 564, 580, 610, 696, 705, 732, 752, 870, 915, 940, 976, 1128, 1160, 1220, 1363, 1392, 1410, 1464, 1740, 1769, 1830, 1880, 2256, 2320, 2440, 2726, 2820, 2867, 2928, 3480, 3538, 3660, 3760, 4089, 4880, 5307, 5452, 5640, 5734, 6815, 6960, 7076, 7320, 8178, 8601, 8845, 10614, 10904, 11280, 11468, 13630, 14152, 14335, 14640, 16356, 17202, 17690, 20445, 21228, 21808, 22936, 26535, 27260, 28304, 28670, 32712, 34404, 35380, 40890, 42456, 43005, 45872, 53070, 54520, 57340, 65424, 68808, 70760, 81780, 83143, 84912, 86010, 106140, 109040, 114680, 137616, 141520, 163560, 166286, 172020, 212280, 229360, 249429, 327120, 332572, 344040, 415715, 424560, 498858, 665144, 688080, 831430, 997716, 1247145, 1330288, 1662860, 1995432, 2494290, 3325720, 3990864, 4988580, 6651440, 9977160, 19954320]

約数ペア:

[(1, 19954320), (2, 9977160), (3, 6651440), (4, 4988580), (5, 3990864), (6, 3325720), (8, 2494290), (10, 1995432), (12, 1662860), (15, 1330288), (16, 1247145), (20, 997716), (24, 831430), (29, 688080), (30, 665144), (40, 498858), (47, 424560), (48, 415715), (58, 344040), (60, 332572), (61, 327120), (80, 249429), (87, 229360), (94, 212280), (116, 172020), (120, 166286), (122, 163560), (141, 141520), (145, 137616), (174, 114680), (183, 109040), (188, 106140), (232, 86010), (235, 84912), (240, 83143), (244, 81780), (282, 70760), (290, 68808), (305, 65424), (348, 57340), (366, 54520), (376, 53070), (435, 45872), (464, 43005), (470, 42456), (488, 40890), (564, 35380), (580, 34404), (610, 32712), (696, 28670), (705, 28304), (732, 27260), (752, 26535), (870, 22936), (915, 21808), (940, 21228), (976, 20445), (1128, 17690), (1160, 17202), (1220, 16356), (1363, 14640), (1392, 14335), (1410, 14152), (1464, 13630), (1740, 11468), (1769, 11280), (1830, 10904), (1880, 10614), (2256, 8845), (2320, 8601), (2440, 8178), (2726, 7320), (2820, 7076), (2867, 6960), (2928, 6815), (3480, 5734), (3538, 5640), (3660, 5452), (3760, 5307), (4089, 4880)]