28554960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:785

約数の個数: 160

約数和(自身を含む): 105707520

約数和(自身を除く): 77152560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 739, 805, 840, 920, 966, 1104, 1288, 1380, 1478, 1610, 1680, 1840, 1932, 2217, 2415, 2576, 2760, 2956, 3220, 3695, 3864, 4434, 4830, 5173, 5520, 5912, 6440, 7390, 7728, 8868, 9660, 10346, 11085, 11824, 12880, 14780, 15519, 16997, 17736, 19320, 20692, 22170, 25865, 29560, 31038, 33994, 35472, 38640, 41384, 44340, 50991, 51730, 59120, 62076, 67988, 77595, 82768, 84985, 88680, 101982, 103460, 118979, 124152, 135976, 155190, 169970, 177360, 203964, 206920, 237958, 248304, 254955, 271952, 310380, 339940, 356937, 407928, 413840, 475916, 509910, 594895, 620760, 679880, 713874, 815856, 951832, 1019820, 1189790, 1241520, 1359760, 1427748, 1784685, 1903664, 2039640, 2379580, 2855496, 3569370, 4079280, 4759160, 5710992, 7138740, 9518320, 14277480, 28554960]

約数ペア:

[(1, 28554960), (2, 14277480), (3, 9518320), (4, 7138740), (5, 5710992), (6, 4759160), (7, 4079280), (8, 3569370), (10, 2855496), (12, 2379580), (14, 2039640), (15, 1903664), (16, 1784685), (20, 1427748), (21, 1359760), (23, 1241520), (24, 1189790), (28, 1019820), (30, 951832), (35, 815856), (40, 713874), (42, 679880), (46, 620760), (48, 594895), (56, 509910), (60, 475916), (69, 413840), (70, 407928), (80, 356937), (84, 339940), (92, 310380), (105, 271952), (112, 254955), (115, 248304), (120, 237958), (138, 206920), (140, 203964), (161, 177360), (168, 169970), (184, 155190), (210, 135976), (230, 124152), (240, 118979), (276, 103460), (280, 101982), (322, 88680), (336, 84985), (345, 82768), (368, 77595), (420, 67988), (460, 62076), (483, 59120), (552, 51730), (560, 50991), (644, 44340), (690, 41384), (739, 38640), (805, 35472), (840, 33994), (920, 31038), (966, 29560), (1104, 25865), (1288, 22170), (1380, 20692), (1478, 19320), (1610, 17736), (1680, 16997), (1840, 15519), (1932, 14780), (2217, 12880), (2415, 11824), (2576, 11085), (2760, 10346), (2956, 9660), (3220, 8868), (3695, 7728), (3864, 7390), (4434, 6440), (4830, 5912), (5173, 5520)]