28603520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 79315200

約数和(自身を除く): 50711680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 239, 272, 320, 340, 352, 374, 440, 478, 544, 640, 680, 704, 748, 880, 935, 956, 1088, 1195, 1360, 1408, 1496, 1760, 1870, 1912, 2176, 2390, 2629, 2720, 2992, 3520, 3740, 3824, 4063, 4780, 5258, 5440, 5984, 7040, 7480, 7648, 8126, 9560, 10516, 10880, 11968, 13145, 14960, 15296, 16252, 19120, 20315, 21032, 23936, 26290, 29920, 30592, 32504, 38240, 40630, 42064, 44693, 52580, 59840, 65008, 76480, 81260, 84128, 89386, 105160, 119680, 130016, 152960, 162520, 168256, 178772, 210320, 223465, 260032, 325040, 336512, 357544, 420640, 446930, 520064, 650080, 715088, 841280, 893860, 1300160, 1430176, 1682560, 1787720, 2600320, 2860352, 3575440, 5720704, 7150880, 14301760, 28603520]

約数ペア:

[(1, 28603520), (2, 14301760), (4, 7150880), (5, 5720704), (8, 3575440), (10, 2860352), (11, 2600320), (16, 1787720), (17, 1682560), (20, 1430176), (22, 1300160), (32, 893860), (34, 841280), (40, 715088), (44, 650080), (55, 520064), (64, 446930), (68, 420640), (80, 357544), (85, 336512), (88, 325040), (110, 260032), (128, 223465), (136, 210320), (160, 178772), (170, 168256), (176, 162520), (187, 152960), (220, 130016), (239, 119680), (272, 105160), (320, 89386), (340, 84128), (352, 81260), (374, 76480), (440, 65008), (478, 59840), (544, 52580), (640, 44693), (680, 42064), (704, 40630), (748, 38240), (880, 32504), (935, 30592), (956, 29920), (1088, 26290), (1195, 23936), (1360, 21032), (1408, 20315), (1496, 19120), (1760, 16252), (1870, 15296), (1912, 14960), (2176, 13145), (2390, 11968), (2629, 10880), (2720, 10516), (2992, 9560), (3520, 8126), (3740, 7648), (3824, 7480), (4063, 7040), (4780, 5984), (5258, 5440)]