18879032240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{104281}}^1$

素因数の和:104398

約数の個数: 80

約数和(自身を含む): 45930798336

約数和(自身を除く): 27051766096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 2263, 2480, 2920, 4526, 5840, 9052, 11315, 18104, 22630, 36208, 45260, 90520, 104281, 181040, 208562, 417124, 521405, 834248, 1042810, 1668496, 2085620, 3232711, 4171240, 6465422, 7612513, 8342480, 12930844, 15225026, 16163555, 25861688, 30450052, 32327110, 38062565, 51723376, 60900104, 64654220, 76125130, 121800208, 129308440, 152250260, 235987903, 258616880, 304500520, 471975806, 609001040, 943951612, 1179939515, 1887903224, 2359879030, 3775806448, 4719758060, 9439516120, 18879032240]

約数ペア:

[(1, 18879032240), (2, 9439516120), (4, 4719758060), (5, 3775806448), (8, 2359879030), (10, 1887903224), (16, 1179939515), (20, 943951612), (31, 609001040), (40, 471975806), (62, 304500520), (73, 258616880), (80, 235987903), (124, 152250260), (146, 129308440), (155, 121800208), (248, 76125130), (292, 64654220), (310, 60900104), (365, 51723376), (496, 38062565), (584, 32327110), (620, 30450052), (730, 25861688), (1168, 16163555), (1240, 15225026), (1460, 12930844), (2263, 8342480), (2480, 7612513), (2920, 6465422), (4526, 4171240), (5840, 3232711), (9052, 2085620), (11315, 1668496), (18104, 1042810), (22630, 834248), (36208, 521405), (45260, 417124), (90520, 208562), (104281, 181040)]