278964270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 256

約数和(自身を含む): 870912000

約数和(自身を除く): 591947730

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 47, 54, 57, 65, 78, 89, 90, 94, 95, 114, 117, 130, 135, 141, 171, 178, 190, 195, 234, 235, 247, 267, 270, 282, 285, 342, 351, 390, 423, 445, 470, 494, 513, 534, 570, 585, 611, 702, 705, 741, 801, 846, 855, 890, 893, 1026, 1157, 1170, 1222, 1235, 1269, 1335, 1410, 1482, 1602, 1691, 1710, 1755, 1786, 1833, 2115, 2223, 2314, 2403, 2470, 2538, 2565, 2670, 2679, 3055, 3382, 3471, 3510, 3666, 3705, 4005, 4183, 4230, 4446, 4465, 4806, 5073, 5130, 5358, 5499, 5785, 6110, 6345, 6669, 6942, 7410, 8010, 8037, 8366, 8455, 8930, 9165, 10146, 10413, 10998, 11115, 11570, 11609, 12015, 12549, 12690, 13338, 13395, 15219, 16074, 16497, 16910, 17355, 18330, 20826, 20915, 21983, 22230, 23218, 24030, 24111, 25098, 25365, 26790, 27495, 30438, 31239, 32994, 33345, 34710, 34827, 37647, 40185, 41830, 43966, 45657, 48222, 50730, 52065, 54379, 54990, 58045, 62478, 62745, 65949, 66690, 69654, 75294, 76095, 79477, 80370, 82485, 91314, 104130, 104481, 108758, 109915, 112941, 116090, 120555, 125490, 131898, 152190, 156195, 158954, 163137, 164970, 174135, 188235, 197847, 208962, 219830, 225882, 228285, 238431, 241110, 271895, 312390, 313443, 326274, 329745, 348270, 376470, 395694, 397385, 456570, 476862, 489411, 522405, 543790, 564705, 593541, 626886, 659490, 715293, 794770, 815685, 978822, 989235, 1033201, 1044810, 1129410, 1187082, 1192155, 1430586, 1468233, 1567215, 1631370, 1978470, 2066402, 2145879, 2384310, 2447055, 2936466, 2967705, 3099603, 3134430, 3576465, 4291758, 4894110, 5166005, 5935410, 6199206, 7152930, 7341165, 9298809, 10332010, 10729395, 14682330, 15498015, 18597618, 21458790, 27896427, 30996030, 46494045, 55792854, 92988090, 139482135, 278964270]

約数ペア:

[(1, 278964270), (2, 139482135), (3, 92988090), (5, 55792854), (6, 46494045), (9, 30996030), (10, 27896427), (13, 21458790), (15, 18597618), (18, 15498015), (19, 14682330), (26, 10729395), (27, 10332010), (30, 9298809), (38, 7341165), (39, 7152930), (45, 6199206), (47, 5935410), (54, 5166005), (57, 4894110), (65, 4291758), (78, 3576465), (89, 3134430), (90, 3099603), (94, 2967705), (95, 2936466), (114, 2447055), (117, 2384310), (130, 2145879), (135, 2066402), (141, 1978470), (171, 1631370), (178, 1567215), (190, 1468233), (195, 1430586), (234, 1192155), (235, 1187082), (247, 1129410), (267, 1044810), (270, 1033201), (282, 989235), (285, 978822), (342, 815685), (351, 794770), (390, 715293), (423, 659490), (445, 626886), (470, 593541), (494, 564705), (513, 543790), (534, 522405), (570, 489411), (585, 476862), (611, 456570), (702, 397385), (705, 395694), (741, 376470), (801, 348270), (846, 329745), (855, 326274), (890, 313443), (893, 312390), (1026, 271895), (1157, 241110), (1170, 238431), (1222, 228285), (1235, 225882), (1269, 219830), (1335, 208962), (1410, 197847), (1482, 188235), (1602, 174135), (1691, 164970), (1710, 163137), (1755, 158954), (1786, 156195), (1833, 152190), (2115, 131898), (2223, 125490), (2314, 120555), (2403, 116090), (2470, 112941), (2538, 109915), (2565, 108758), (2670, 104481), (2679, 104130), (3055, 91314), (3382, 82485), (3471, 80370), (3510, 79477), (3666, 76095), (3705, 75294), (4005, 69654), (4183, 66690), (4230, 65949), (4446, 62745), (4465, 62478), (4806, 58045), (5073, 54990), (5130, 54379), (5358, 52065), (5499, 50730), (5785, 48222), (6110, 45657), (6345, 43966), (6669, 41830), (6942, 40185), (7410, 37647), (8010, 34827), (8037, 34710), (8366, 33345), (8455, 32994), (8930, 31239), (9165, 30438), (10146, 27495), (10413, 26790), (10998, 25365), (11115, 25098), (11570, 24111), (11609, 24030), (12015, 23218), (12549, 22230), (12690, 21983), (13338, 20915), (13395, 20826), (15219, 18330), (16074, 17355), (16497, 16910)]