1281258540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2741

約数の個数: 192

約数和(自身を含む): 4286822400

約数和(自身を除く): 3005563860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 47, 54, 57, 60, 76, 90, 94, 95, 108, 114, 135, 141, 171, 180, 188, 190, 228, 235, 270, 282, 285, 342, 380, 423, 470, 513, 540, 564, 570, 684, 705, 846, 855, 893, 940, 1026, 1140, 1269, 1410, 1692, 1710, 1786, 2052, 2115, 2538, 2565, 2657, 2679, 2820, 3420, 3572, 4230, 4465, 5076, 5130, 5314, 5358, 6345, 7971, 8037, 8460, 8930, 10260, 10628, 10716, 12690, 13285, 13395, 15942, 16074, 17860, 23913, 24111, 25380, 26570, 26790, 31884, 32148, 39855, 40185, 47826, 48222, 50483, 53140, 53580, 71739, 79710, 80370, 95652, 96444, 100966, 119565, 120555, 124879, 143478, 151449, 159420, 160740, 201932, 239130, 241110, 249758, 252415, 286956, 302898, 358695, 374637, 454347, 478260, 482220, 499516, 504830, 605796, 624395, 717390, 749274, 757245, 908694, 1009660, 1123911, 1248790, 1363041, 1434780, 1498548, 1514490, 1817388, 1873185, 2247822, 2271735, 2372701, 2497580, 2726082, 3028980, 3371733, 3746370, 4495644, 4543470, 4745402, 5452164, 5619555, 6743466, 6815205, 7118103, 7492740, 9086940, 9490804, 11239110, 11863505, 13486932, 13630410, 14236206, 16858665, 21354309, 22478220, 23727010, 27260820, 28472412, 33717330, 35590515, 42708618, 47454020, 64062927, 67434660, 71181030, 85417236, 106771545, 128125854, 142362060, 213543090, 256251708, 320314635, 427086180, 640629270, 1281258540]

約数ペア:

[(1, 1281258540), (2, 640629270), (3, 427086180), (4, 320314635), (5, 256251708), (6, 213543090), (9, 142362060), (10, 128125854), (12, 106771545), (15, 85417236), (18, 71181030), (19, 67434660), (20, 64062927), (27, 47454020), (30, 42708618), (36, 35590515), (38, 33717330), (45, 28472412), (47, 27260820), (54, 23727010), (57, 22478220), (60, 21354309), (76, 16858665), (90, 14236206), (94, 13630410), (95, 13486932), (108, 11863505), (114, 11239110), (135, 9490804), (141, 9086940), (171, 7492740), (180, 7118103), (188, 6815205), (190, 6743466), (228, 5619555), (235, 5452164), (270, 4745402), (282, 4543470), (285, 4495644), (342, 3746370), (380, 3371733), (423, 3028980), (470, 2726082), (513, 2497580), (540, 2372701), (564, 2271735), (570, 2247822), (684, 1873185), (705, 1817388), (846, 1514490), (855, 1498548), (893, 1434780), (940, 1363041), (1026, 1248790), (1140, 1123911), (1269, 1009660), (1410, 908694), (1692, 757245), (1710, 749274), (1786, 717390), (2052, 624395), (2115, 605796), (2538, 504830), (2565, 499516), (2657, 482220), (2679, 478260), (2820, 454347), (3420, 374637), (3572, 358695), (4230, 302898), (4465, 286956), (5076, 252415), (5130, 249758), (5314, 241110), (5358, 239130), (6345, 201932), (7971, 160740), (8037, 159420), (8460, 151449), (8930, 143478), (10260, 124879), (10628, 120555), (10716, 119565), (12690, 100966), (13285, 96444), (13395, 95652), (15942, 80370), (16074, 79710), (17860, 71739), (23913, 53580), (24111, 53140), (25380, 50483), (26570, 48222), (26790, 47826), (31884, 40185), (32148, 39855)]