278427240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2873

約数の個数: 256

約数和(自身を含む): 1142668800

約数和(自身を除く): 864241560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 2833, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 5666, 6552, 7020, 7560, 8190, 8499, 9828, 10920, 11332, 12285, 14040, 14165, 16380, 16998, 19656, 19831, 22664, 24570, 25497, 28330, 32760, 33996, 36829, 39662, 42495, 49140, 50994, 56660, 59493, 67992, 73658, 76491, 79324, 84990, 98280, 99155, 101988, 110487, 113320, 118986, 127485, 147316, 152982, 158648, 169980, 178479, 184145, 198310, 203976, 220974, 237972, 254970, 257803, 294632, 297465, 305964, 331461, 339960, 356958, 368290, 382455, 396620, 441948, 475944, 509940, 515606, 535437, 552435, 594930, 611928, 662922, 713916, 736580, 764910, 773409, 793240, 883896, 892395, 994383, 1019880, 1031212, 1070874, 1104870, 1189860, 1289015, 1325844, 1427832, 1473160, 1529820, 1546818, 1657305, 1784790, 1988766, 2062424, 2141748, 2209740, 2320227, 2379720, 2578030, 2651688, 2677185, 3059640, 3093636, 3314610, 3569580, 3867045, 3977532, 4283496, 4419480, 4640454, 4971915, 5156060, 5354370, 6187272, 6629220, 6960681, 7139160, 7734090, 7955064, 9280908, 9943830, 10312120, 10708740, 11601135, 13258440, 13921362, 15468180, 18561816, 19887660, 21417480, 23202270, 27842724, 30936360, 34803405, 39775320, 46404540, 55685448, 69606810, 92809080, 139213620, 278427240]

約数ペア:

[(1, 278427240), (2, 139213620), (3, 92809080), (4, 69606810), (5, 55685448), (6, 46404540), (7, 39775320), (8, 34803405), (9, 30936360), (10, 27842724), (12, 23202270), (13, 21417480), (14, 19887660), (15, 18561816), (18, 15468180), (20, 13921362), (21, 13258440), (24, 11601135), (26, 10708740), (27, 10312120), (28, 9943830), (30, 9280908), (35, 7955064), (36, 7734090), (39, 7139160), (40, 6960681), (42, 6629220), (45, 6187272), (52, 5354370), (54, 5156060), (56, 4971915), (60, 4640454), (63, 4419480), (65, 4283496), (70, 3977532), (72, 3867045), (78, 3569580), (84, 3314610), (90, 3093636), (91, 3059640), (104, 2677185), (105, 2651688), (108, 2578030), (117, 2379720), (120, 2320227), (126, 2209740), (130, 2141748), (135, 2062424), (140, 1988766), (156, 1784790), (168, 1657305), (180, 1546818), (182, 1529820), (189, 1473160), (195, 1427832), (210, 1325844), (216, 1289015), (234, 1189860), (252, 1104870), (260, 1070874), (270, 1031212), (273, 1019880), (280, 994383), (312, 892395), (315, 883896), (351, 793240), (360, 773409), (364, 764910), (378, 736580), (390, 713916), (420, 662922), (455, 611928), (468, 594930), (504, 552435), (520, 535437), (540, 515606), (546, 509940), (585, 475944), (630, 441948), (702, 396620), (728, 382455), (756, 368290), (780, 356958), (819, 339960), (840, 331461), (910, 305964), (936, 297465), (945, 294632), (1080, 257803), (1092, 254970), (1170, 237972), (1260, 220974), (1365, 203976), (1404, 198310), (1512, 184145), (1560, 178479), (1638, 169980), (1755, 158648), (1820, 152982), (1890, 147316), (2184, 127485), (2340, 118986), (2457, 113320), (2520, 110487), (2730, 101988), (2808, 99155), (2833, 98280), (3276, 84990), (3510, 79324), (3640, 76491), (3780, 73658), (4095, 67992), (4680, 59493), (4914, 56660), (5460, 50994), (5666, 49140), (6552, 42495), (7020, 39662), (7560, 36829), (8190, 33996), (8499, 32760), (9828, 28330), (10920, 25497), (11332, 24570), (12285, 22664), (14040, 19831), (14165, 19656), (16380, 16998)]