19727760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6352

約数の個数: 80

約数和(自身を含む): 65870784

約数和(自身を除く): 46143024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6323, 12646, 18969, 25292, 31615, 37938, 50584, 63230, 75876, 82199, 94845, 101168, 126460, 151752, 164398, 189690, 246597, 252920, 303504, 328796, 379380, 410995, 493194, 505840, 657592, 758760, 821990, 986388, 1232985, 1315184, 1517520, 1643980, 1972776, 2465970, 3287960, 3945552, 4931940, 6575920, 9863880, 19727760]

約数ペア:

[(1, 19727760), (2, 9863880), (3, 6575920), (4, 4931940), (5, 3945552), (6, 3287960), (8, 2465970), (10, 1972776), (12, 1643980), (13, 1517520), (15, 1315184), (16, 1232985), (20, 986388), (24, 821990), (26, 758760), (30, 657592), (39, 505840), (40, 493194), (48, 410995), (52, 379380), (60, 328796), (65, 303504), (78, 252920), (80, 246597), (104, 189690), (120, 164398), (130, 151752), (156, 126460), (195, 101168), (208, 94845), (240, 82199), (260, 75876), (312, 63230), (390, 50584), (520, 37938), (624, 31615), (780, 25292), (1040, 18969), (1560, 12646), (3120, 6323)]