15629880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 40357320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 809, 840, 920, 966, 1288, 1380, 1610, 1618, 1932, 2415, 2427, 2760, 3220, 3236, 3864, 4045, 4830, 4854, 5663, 6440, 6472, 8090, 9660, 9708, 11326, 12135, 16180, 16989, 18607, 19320, 19416, 22652, 24270, 28315, 32360, 33978, 37214, 45304, 48540, 55821, 56630, 67956, 74428, 84945, 93035, 97080, 111642, 113260, 130249, 135912, 148856, 169890, 186070, 223284, 226520, 260498, 279105, 339780, 372140, 390747, 446568, 520996, 558210, 651245, 679560, 744280, 781494, 1041992, 1116420, 1302490, 1562988, 1953735, 2232840, 2604980, 3125976, 3907470, 5209960, 7814940, 15629880]

約数ペア:

[(1, 15629880), (2, 7814940), (3, 5209960), (4, 3907470), (5, 3125976), (6, 2604980), (7, 2232840), (8, 1953735), (10, 1562988), (12, 1302490), (14, 1116420), (15, 1041992), (20, 781494), (21, 744280), (23, 679560), (24, 651245), (28, 558210), (30, 520996), (35, 446568), (40, 390747), (42, 372140), (46, 339780), (56, 279105), (60, 260498), (69, 226520), (70, 223284), (84, 186070), (92, 169890), (105, 148856), (115, 135912), (120, 130249), (138, 113260), (140, 111642), (161, 97080), (168, 93035), (184, 84945), (210, 74428), (230, 67956), (276, 56630), (280, 55821), (322, 48540), (345, 45304), (420, 37214), (460, 33978), (483, 32360), (552, 28315), (644, 24270), (690, 22652), (805, 19416), (809, 19320), (840, 18607), (920, 16989), (966, 16180), (1288, 12135), (1380, 11326), (1610, 9708), (1618, 9660), (1932, 8090), (2415, 6472), (2427, 6440), (2760, 5663), (3220, 4854), (3236, 4830), (3864, 4045)]