15887880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 54259200

約数和(自身を除く): 38371320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 313, 360, 376, 423, 470, 540, 564, 626, 705, 846, 939, 940, 1080, 1128, 1252, 1269, 1410, 1565, 1692, 1878, 1880, 2115, 2504, 2538, 2817, 2820, 3130, 3384, 3756, 4230, 4695, 5076, 5634, 5640, 6260, 6345, 7512, 8451, 8460, 9390, 10152, 11268, 12520, 12690, 14085, 14711, 16902, 16920, 18780, 22536, 25380, 28170, 29422, 33804, 37560, 42255, 44133, 50760, 56340, 58844, 67608, 73555, 84510, 88266, 112680, 117688, 132399, 147110, 169020, 176532, 220665, 264798, 294220, 338040, 353064, 397197, 441330, 529596, 588440, 661995, 794394, 882660, 1059192, 1323990, 1588788, 1765320, 1985985, 2647980, 3177576, 3971970, 5295960, 7943940, 15887880]

約数ペア:

[(1, 15887880), (2, 7943940), (3, 5295960), (4, 3971970), (5, 3177576), (6, 2647980), (8, 1985985), (9, 1765320), (10, 1588788), (12, 1323990), (15, 1059192), (18, 882660), (20, 794394), (24, 661995), (27, 588440), (30, 529596), (36, 441330), (40, 397197), (45, 353064), (47, 338040), (54, 294220), (60, 264798), (72, 220665), (90, 176532), (94, 169020), (108, 147110), (120, 132399), (135, 117688), (141, 112680), (180, 88266), (188, 84510), (216, 73555), (235, 67608), (270, 58844), (282, 56340), (313, 50760), (360, 44133), (376, 42255), (423, 37560), (470, 33804), (540, 29422), (564, 28170), (626, 25380), (705, 22536), (846, 18780), (939, 16920), (940, 16902), (1080, 14711), (1128, 14085), (1252, 12690), (1269, 12520), (1410, 11268), (1565, 10152), (1692, 9390), (1878, 8460), (1880, 8451), (2115, 7512), (2504, 6345), (2538, 6260), (2817, 5640), (2820, 5634), (3130, 5076), (3384, 4695), (3756, 4230)]