201112720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 536215680

約数和(自身を除く): 335102960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 43, 68, 76, 80, 85, 86, 95, 136, 152, 170, 172, 181, 190, 215, 272, 304, 323, 340, 344, 362, 380, 430, 646, 680, 688, 724, 731, 760, 817, 860, 905, 1292, 1360, 1448, 1462, 1520, 1615, 1634, 1720, 1810, 2584, 2896, 2924, 3077, 3230, 3268, 3439, 3440, 3620, 3655, 4085, 5168, 5848, 6154, 6460, 6536, 6878, 7240, 7310, 7783, 8170, 11696, 12308, 12920, 13072, 13756, 13889, 14480, 14620, 15385, 15566, 16340, 17195, 24616, 25840, 27512, 27778, 29240, 30770, 31132, 32680, 34390, 38915, 49232, 55024, 55556, 58463, 58480, 61540, 62264, 65360, 68780, 69445, 77830, 111112, 116926, 123080, 124528, 132311, 137560, 138890, 147877, 155660, 222224, 233852, 246160, 264622, 275120, 277780, 292315, 295754, 311320, 467704, 529244, 555560, 584630, 591508, 622640, 661555, 739385, 935408, 1058488, 1111120, 1169260, 1183016, 1323110, 1478770, 2116976, 2338520, 2366032, 2513909, 2646220, 2957540, 4677040, 5027818, 5292440, 5915080, 10055636, 10584880, 11830160, 12569545, 20111272, 25139090, 40222544, 50278180, 100556360, 201112720]

約数ペア:

[(1, 201112720), (2, 100556360), (4, 50278180), (5, 40222544), (8, 25139090), (10, 20111272), (16, 12569545), (17, 11830160), (19, 10584880), (20, 10055636), (34, 5915080), (38, 5292440), (40, 5027818), (43, 4677040), (68, 2957540), (76, 2646220), (80, 2513909), (85, 2366032), (86, 2338520), (95, 2116976), (136, 1478770), (152, 1323110), (170, 1183016), (172, 1169260), (181, 1111120), (190, 1058488), (215, 935408), (272, 739385), (304, 661555), (323, 622640), (340, 591508), (344, 584630), (362, 555560), (380, 529244), (430, 467704), (646, 311320), (680, 295754), (688, 292315), (724, 277780), (731, 275120), (760, 264622), (817, 246160), (860, 233852), (905, 222224), (1292, 155660), (1360, 147877), (1448, 138890), (1462, 137560), (1520, 132311), (1615, 124528), (1634, 123080), (1720, 116926), (1810, 111112), (2584, 77830), (2896, 69445), (2924, 68780), (3077, 65360), (3230, 62264), (3268, 61540), (3439, 58480), (3440, 58463), (3620, 55556), (3655, 55024), (4085, 49232), (5168, 38915), (5848, 34390), (6154, 32680), (6460, 31132), (6536, 30770), (6878, 29240), (7240, 27778), (7310, 27512), (7783, 25840), (8170, 24616), (11696, 17195), (12308, 16340), (12920, 15566), (13072, 15385), (13756, 14620), (13889, 14480)]