311664720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 160

約数和(自身を含む): 1018220544

約数和(自身を除く): 706555824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 131, 138, 184, 230, 240, 262, 276, 345, 368, 393, 431, 460, 524, 552, 655, 690, 786, 862, 920, 1048, 1104, 1293, 1310, 1380, 1572, 1724, 1840, 1965, 2096, 2155, 2586, 2620, 2760, 3013, 3144, 3448, 3930, 4310, 5172, 5240, 5520, 6026, 6288, 6465, 6896, 7860, 8620, 9039, 9913, 10344, 10480, 12052, 12930, 15065, 15720, 17240, 18078, 19826, 20688, 24104, 25860, 29739, 30130, 31440, 34480, 36156, 39652, 45195, 48208, 49565, 51720, 56461, 59478, 60260, 72312, 79304, 90390, 99130, 103440, 112922, 118956, 120520, 144624, 148695, 158608, 169383, 180780, 198260, 225844, 237912, 241040, 282305, 297390, 338766, 361560, 396520, 451688, 475824, 564610, 594780, 677532, 723120, 793040, 846915, 903376, 1129220, 1189560, 1298603, 1355064, 1693830, 2258440, 2379120, 2597206, 2710128, 3387660, 3895809, 4516880, 5194412, 6493015, 6775320, 7791618, 10388824, 12986030, 13550640, 15583236, 19479045, 20777648, 25972060, 31166472, 38958090, 51944120, 62332944, 77916180, 103888240, 155832360, 311664720]

約数ペア:

[(1, 311664720), (2, 155832360), (3, 103888240), (4, 77916180), (5, 62332944), (6, 51944120), (8, 38958090), (10, 31166472), (12, 25972060), (15, 20777648), (16, 19479045), (20, 15583236), (23, 13550640), (24, 12986030), (30, 10388824), (40, 7791618), (46, 6775320), (48, 6493015), (60, 5194412), (69, 4516880), (80, 3895809), (92, 3387660), (115, 2710128), (120, 2597206), (131, 2379120), (138, 2258440), (184, 1693830), (230, 1355064), (240, 1298603), (262, 1189560), (276, 1129220), (345, 903376), (368, 846915), (393, 793040), (431, 723120), (460, 677532), (524, 594780), (552, 564610), (655, 475824), (690, 451688), (786, 396520), (862, 361560), (920, 338766), (1048, 297390), (1104, 282305), (1293, 241040), (1310, 237912), (1380, 225844), (1572, 198260), (1724, 180780), (1840, 169383), (1965, 158608), (2096, 148695), (2155, 144624), (2586, 120520), (2620, 118956), (2760, 112922), (3013, 103440), (3144, 99130), (3448, 90390), (3930, 79304), (4310, 72312), (5172, 60260), (5240, 59478), (5520, 56461), (6026, 51720), (6288, 49565), (6465, 48208), (6896, 45195), (7860, 39652), (8620, 36156), (9039, 34480), (9913, 31440), (10344, 30130), (10480, 29739), (12052, 25860), (12930, 24104), (15065, 20688), (15720, 19826), (17240, 18078)]