1805206880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 4737761280

約数和(自身を除く): 2932554400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 79, 80, 85, 124, 136, 155, 158, 160, 170, 248, 271, 272, 310, 316, 340, 395, 496, 527, 542, 544, 620, 632, 680, 790, 992, 1054, 1084, 1240, 1264, 1343, 1355, 1360, 1580, 2108, 2168, 2449, 2480, 2528, 2635, 2686, 2710, 2720, 3160, 4216, 4336, 4607, 4898, 4960, 5270, 5372, 5420, 6320, 6715, 8401, 8432, 8672, 9214, 9796, 10540, 10744, 10840, 12245, 12640, 13430, 16802, 16864, 18428, 19592, 21080, 21409, 21488, 21680, 23035, 24490, 26860, 33604, 36856, 39184, 41633, 42005, 42160, 42818, 42976, 43360, 46070, 48980, 53720, 67208, 73712, 78368, 83266, 84010, 84320, 85636, 92140, 97960, 107045, 107440, 134416, 142817, 147424, 166532, 168020, 171272, 184280, 195920, 208165, 214090, 214880, 268832, 285634, 333064, 336040, 342544, 363953, 368560, 391840, 416330, 428180, 571268, 663679, 666128, 672080, 685088, 714085, 727906, 737120, 832660, 856360, 1142536, 1327358, 1332256, 1344160, 1428170, 1455812, 1665320, 1712720, 1819765, 2285072, 2654716, 2856340, 2911624, 3318395, 3330640, 3425440, 3639530, 4570144, 5309432, 5712680, 5823248, 6636790, 6661280, 7279060, 10618864, 11282543, 11425360, 11646496, 13273580, 14558120, 21237728, 22565086, 22850720, 26547160, 29116240, 45130172, 53094320, 56412715, 58232480, 90260344, 106188640, 112825430, 180520688, 225650860, 361041376, 451301720, 902603440, 1805206880]

約数ペア:

[(1, 1805206880), (2, 902603440), (4, 451301720), (5, 361041376), (8, 225650860), (10, 180520688), (16, 112825430), (17, 106188640), (20, 90260344), (31, 58232480), (32, 56412715), (34, 53094320), (40, 45130172), (62, 29116240), (68, 26547160), (79, 22850720), (80, 22565086), (85, 21237728), (124, 14558120), (136, 13273580), (155, 11646496), (158, 11425360), (160, 11282543), (170, 10618864), (248, 7279060), (271, 6661280), (272, 6636790), (310, 5823248), (316, 5712680), (340, 5309432), (395, 4570144), (496, 3639530), (527, 3425440), (542, 3330640), (544, 3318395), (620, 2911624), (632, 2856340), (680, 2654716), (790, 2285072), (992, 1819765), (1054, 1712720), (1084, 1665320), (1240, 1455812), (1264, 1428170), (1343, 1344160), (1355, 1332256), (1360, 1327358), (1580, 1142536), (2108, 856360), (2168, 832660), (2449, 737120), (2480, 727906), (2528, 714085), (2635, 685088), (2686, 672080), (2710, 666128), (2720, 663679), (3160, 571268), (4216, 428180), (4336, 416330), (4607, 391840), (4898, 368560), (4960, 363953), (5270, 342544), (5372, 336040), (5420, 333064), (6320, 285634), (6715, 268832), (8401, 214880), (8432, 214090), (8672, 208165), (9214, 195920), (9796, 184280), (10540, 171272), (10744, 168020), (10840, 166532), (12245, 147424), (12640, 142817), (13430, 134416), (16802, 107440), (16864, 107045), (18428, 97960), (19592, 92140), (21080, 85636), (21409, 84320), (21488, 84010), (21680, 83266), (23035, 78368), (24490, 73712), (26860, 67208), (33604, 53720), (36856, 48980), (39184, 46070), (41633, 43360), (42005, 42976), (42160, 42818)]