480185720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 1298903040

約数和(自身を除く): 818717320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 173, 184, 230, 280, 322, 346, 431, 460, 644, 692, 805, 862, 865, 920, 1211, 1288, 1384, 1610, 1724, 1730, 2155, 2422, 3017, 3220, 3448, 3460, 3979, 4310, 4844, 6034, 6055, 6440, 6920, 7958, 8620, 9688, 9913, 12068, 12110, 15085, 15916, 17240, 19826, 19895, 24136, 24220, 27853, 30170, 31832, 39652, 39790, 48440, 49565, 55706, 60340, 69391, 74563, 79304, 79580, 99130, 111412, 120680, 138782, 139265, 149126, 159160, 198260, 222824, 277564, 278530, 298252, 346955, 372815, 396520, 521941, 555128, 557060, 596504, 693910, 745630, 1043882, 1114120, 1387820, 1491260, 1714949, 2087764, 2609705, 2775640, 2982520, 3429898, 4175528, 5219410, 6859796, 8574745, 10438820, 12004643, 13719592, 17149490, 20877640, 24009286, 34298980, 48018572, 60023215, 68597960, 96037144, 120046430, 240092860, 480185720]

約数ペア:

[(1, 480185720), (2, 240092860), (4, 120046430), (5, 96037144), (7, 68597960), (8, 60023215), (10, 48018572), (14, 34298980), (20, 24009286), (23, 20877640), (28, 17149490), (35, 13719592), (40, 12004643), (46, 10438820), (56, 8574745), (70, 6859796), (92, 5219410), (115, 4175528), (140, 3429898), (161, 2982520), (173, 2775640), (184, 2609705), (230, 2087764), (280, 1714949), (322, 1491260), (346, 1387820), (431, 1114120), (460, 1043882), (644, 745630), (692, 693910), (805, 596504), (862, 557060), (865, 555128), (920, 521941), (1211, 396520), (1288, 372815), (1384, 346955), (1610, 298252), (1724, 278530), (1730, 277564), (2155, 222824), (2422, 198260), (3017, 159160), (3220, 149126), (3448, 139265), (3460, 138782), (3979, 120680), (4310, 111412), (4844, 99130), (6034, 79580), (6055, 79304), (6440, 74563), (6920, 69391), (7958, 60340), (8620, 55706), (9688, 49565), (9913, 48440), (12068, 39790), (12110, 39652), (15085, 31832), (15916, 30170), (17240, 27853), (19826, 24220), (19895, 24136)]