30256720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 77495040

約数和(自身を除く): 47238320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 619, 752, 940, 1040, 1222, 1238, 1880, 2444, 2476, 3055, 3095, 3760, 4888, 4952, 6110, 6190, 8047, 9776, 9904, 12220, 12380, 16094, 24440, 24760, 29093, 32188, 40235, 48880, 49520, 58186, 64376, 80470, 116372, 128752, 145465, 160940, 232744, 290930, 321880, 378209, 465488, 581860, 643760, 756418, 1163720, 1512836, 1891045, 2327440, 3025672, 3782090, 6051344, 7564180, 15128360, 30256720]

約数ペア:

[(1, 30256720), (2, 15128360), (4, 7564180), (5, 6051344), (8, 3782090), (10, 3025672), (13, 2327440), (16, 1891045), (20, 1512836), (26, 1163720), (40, 756418), (47, 643760), (52, 581860), (65, 465488), (80, 378209), (94, 321880), (104, 290930), (130, 232744), (188, 160940), (208, 145465), (235, 128752), (260, 116372), (376, 80470), (470, 64376), (520, 58186), (611, 49520), (619, 48880), (752, 40235), (940, 32188), (1040, 29093), (1222, 24760), (1238, 24440), (1880, 16094), (2444, 12380), (2476, 12220), (3055, 9904), (3095, 9776), (3760, 8047), (4888, 6190), (4952, 6110)]