28774920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3931}}^1$

素因数の和:4006

約数の個数: 64

約数和(自身を含む): 87762240

約数和(自身を除く): 58987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 3931, 7320, 7862, 11793, 15724, 19655, 23586, 31448, 39310, 47172, 58965, 78620, 94344, 117930, 157240, 235860, 239791, 471720, 479582, 719373, 959164, 1198955, 1438746, 1918328, 2397910, 2877492, 3596865, 4795820, 5754984, 7193730, 9591640, 14387460, 28774920]

約数ペア:

[(1, 28774920), (2, 14387460), (3, 9591640), (4, 7193730), (5, 5754984), (6, 4795820), (8, 3596865), (10, 2877492), (12, 2397910), (15, 1918328), (20, 1438746), (24, 1198955), (30, 959164), (40, 719373), (60, 479582), (61, 471720), (120, 239791), (122, 235860), (183, 157240), (244, 117930), (305, 94344), (366, 78620), (488, 58965), (610, 47172), (732, 39310), (915, 31448), (1220, 23586), (1464, 19655), (1830, 15724), (2440, 11793), (3660, 7862), (3931, 7320)]