28141120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 81198720

約数和(自身を除く): 53057600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 739, 952, 1088, 1120, 1190, 1360, 1478, 1904, 2240, 2380, 2720, 2956, 3695, 3808, 4760, 5173, 5440, 5912, 7390, 7616, 9520, 10346, 11824, 12563, 14780, 19040, 20692, 23648, 25126, 25865, 29560, 38080, 41384, 47296, 50252, 51730, 59120, 62815, 82768, 87941, 100504, 103460, 118240, 125630, 165536, 175882, 201008, 206920, 236480, 251260, 331072, 351764, 402016, 413840, 439705, 502520, 703528, 804032, 827680, 879410, 1005040, 1407056, 1655360, 1758820, 2010080, 2814112, 3517640, 4020160, 5628224, 7035280, 14070560, 28141120]

約数ペア:

[(1, 28141120), (2, 14070560), (4, 7035280), (5, 5628224), (7, 4020160), (8, 3517640), (10, 2814112), (14, 2010080), (16, 1758820), (17, 1655360), (20, 1407056), (28, 1005040), (32, 879410), (34, 827680), (35, 804032), (40, 703528), (56, 502520), (64, 439705), (68, 413840), (70, 402016), (80, 351764), (85, 331072), (112, 251260), (119, 236480), (136, 206920), (140, 201008), (160, 175882), (170, 165536), (224, 125630), (238, 118240), (272, 103460), (280, 100504), (320, 87941), (340, 82768), (448, 62815), (476, 59120), (544, 51730), (560, 50252), (595, 47296), (680, 41384), (739, 38080), (952, 29560), (1088, 25865), (1120, 25126), (1190, 23648), (1360, 20692), (1478, 19040), (1904, 14780), (2240, 12563), (2380, 11824), (2720, 10346), (2956, 9520), (3695, 7616), (3808, 7390), (4760, 5912), (5173, 5440)]