28589880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 94867200

約数和(自身を除く): 66277320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 179, 220, 242, 264, 330, 358, 363, 440, 484, 537, 605, 660, 716, 726, 895, 968, 1074, 1210, 1320, 1331, 1432, 1452, 1790, 1815, 1969, 2148, 2420, 2662, 2685, 2904, 3580, 3630, 3938, 3993, 4296, 4840, 5324, 5370, 5907, 6655, 7160, 7260, 7876, 7986, 9845, 10648, 10740, 11814, 13310, 14520, 15752, 15972, 19690, 19965, 21480, 21659, 23628, 26620, 29535, 31944, 39380, 39930, 43318, 47256, 53240, 59070, 64977, 78760, 79860, 86636, 108295, 118140, 129954, 159720, 173272, 216590, 236280, 238249, 259908, 324885, 433180, 476498, 519816, 649770, 714747, 866360, 952996, 1191245, 1299540, 1429494, 1905992, 2382490, 2599080, 2858988, 3573735, 4764980, 5717976, 7147470, 9529960, 14294940, 28589880]

約数ペア:

[(1, 28589880), (2, 14294940), (3, 9529960), (4, 7147470), (5, 5717976), (6, 4764980), (8, 3573735), (10, 2858988), (11, 2599080), (12, 2382490), (15, 1905992), (20, 1429494), (22, 1299540), (24, 1191245), (30, 952996), (33, 866360), (40, 714747), (44, 649770), (55, 519816), (60, 476498), (66, 433180), (88, 324885), (110, 259908), (120, 238249), (121, 236280), (132, 216590), (165, 173272), (179, 159720), (220, 129954), (242, 118140), (264, 108295), (330, 86636), (358, 79860), (363, 78760), (440, 64977), (484, 59070), (537, 53240), (605, 47256), (660, 43318), (716, 39930), (726, 39380), (895, 31944), (968, 29535), (1074, 26620), (1210, 23628), (1320, 21659), (1331, 21480), (1432, 19965), (1452, 19690), (1790, 15972), (1815, 15752), (1969, 14520), (2148, 13310), (2420, 11814), (2662, 10740), (2685, 10648), (2904, 9845), (3580, 7986), (3630, 7876), (3938, 7260), (3993, 7160), (4296, 6655), (4840, 5907), (5324, 5370)]