2657880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 9331200

約数和(自身を除く): 6673320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 107, 108, 115, 120, 135, 138, 180, 184, 207, 214, 216, 230, 270, 276, 321, 345, 360, 414, 428, 460, 535, 540, 552, 621, 642, 690, 828, 856, 920, 963, 1035, 1070, 1080, 1242, 1284, 1380, 1605, 1656, 1926, 2070, 2140, 2461, 2484, 2568, 2760, 2889, 3105, 3210, 3852, 4140, 4280, 4815, 4922, 4968, 5778, 6210, 6420, 7383, 7704, 8280, 9630, 9844, 11556, 12305, 12420, 12840, 14445, 14766, 19260, 19688, 22149, 23112, 24610, 24840, 28890, 29532, 36915, 38520, 44298, 49220, 57780, 59064, 66447, 73830, 88596, 98440, 110745, 115560, 132894, 147660, 177192, 221490, 265788, 295320, 332235, 442980, 531576, 664470, 885960, 1328940, 2657880]

約数ペア:

[(1, 2657880), (2, 1328940), (3, 885960), (4, 664470), (5, 531576), (6, 442980), (8, 332235), (9, 295320), (10, 265788), (12, 221490), (15, 177192), (18, 147660), (20, 132894), (23, 115560), (24, 110745), (27, 98440), (30, 88596), (36, 73830), (40, 66447), (45, 59064), (46, 57780), (54, 49220), (60, 44298), (69, 38520), (72, 36915), (90, 29532), (92, 28890), (107, 24840), (108, 24610), (115, 23112), (120, 22149), (135, 19688), (138, 19260), (180, 14766), (184, 14445), (207, 12840), (214, 12420), (216, 12305), (230, 11556), (270, 9844), (276, 9630), (321, 8280), (345, 7704), (360, 7383), (414, 6420), (428, 6210), (460, 5778), (535, 4968), (540, 4922), (552, 4815), (621, 4280), (642, 4140), (690, 3852), (828, 3210), (856, 3105), (920, 2889), (963, 2760), (1035, 2568), (1070, 2484), (1080, 2461), (1242, 2140), (1284, 2070), (1380, 1926), (1605, 1656)]