42122800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 108247040

約数和(自身を除く): 66124240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 43, 50, 62, 79, 80, 86, 100, 124, 155, 158, 172, 200, 215, 248, 310, 316, 344, 395, 400, 430, 496, 620, 632, 688, 775, 790, 860, 1075, 1240, 1264, 1333, 1550, 1580, 1720, 1975, 2150, 2449, 2480, 2666, 3100, 3160, 3397, 3440, 3950, 4300, 4898, 5332, 6200, 6320, 6665, 6794, 7900, 8600, 9796, 10664, 12245, 12400, 13330, 13588, 15800, 16985, 17200, 19592, 21328, 24490, 26660, 27176, 31600, 33325, 33970, 39184, 48980, 53320, 54352, 61225, 66650, 67940, 84925, 97960, 105307, 106640, 122450, 133300, 135880, 169850, 195920, 210614, 244900, 266600, 271760, 339700, 421228, 489800, 526535, 533200, 679400, 842456, 979600, 1053070, 1358800, 1684912, 2106140, 2632675, 4212280, 5265350, 8424560, 10530700, 21061400, 42122800]

約数ペア:

[(1, 42122800), (2, 21061400), (4, 10530700), (5, 8424560), (8, 5265350), (10, 4212280), (16, 2632675), (20, 2106140), (25, 1684912), (31, 1358800), (40, 1053070), (43, 979600), (50, 842456), (62, 679400), (79, 533200), (80, 526535), (86, 489800), (100, 421228), (124, 339700), (155, 271760), (158, 266600), (172, 244900), (200, 210614), (215, 195920), (248, 169850), (310, 135880), (316, 133300), (344, 122450), (395, 106640), (400, 105307), (430, 97960), (496, 84925), (620, 67940), (632, 66650), (688, 61225), (775, 54352), (790, 53320), (860, 48980), (1075, 39184), (1240, 33970), (1264, 33325), (1333, 31600), (1550, 27176), (1580, 26660), (1720, 24490), (1975, 21328), (2150, 19592), (2449, 17200), (2480, 16985), (2666, 15800), (3100, 13588), (3160, 13330), (3397, 12400), (3440, 12245), (3950, 10664), (4300, 9796), (4898, 8600), (5332, 7900), (6200, 6794), (6320, 6665)]