428623360

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 160

約数和(自身を含む): 1159640064

約数和(自身を除く): 731016704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 491, 496, 512, 620, 640, 682, 704, 880, 982, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1964, 1984, 2455, 2480, 2560, 2728, 2816, 3410, 3520, 3928, 3968, 4910, 4960, 5401, 5456, 5632, 6820, 7040, 7856, 7936, 9820, 9920, 10802, 10912, 13640, 14080, 15221, 15712, 15872, 19640, 19840, 21604, 21824, 27005, 27280, 28160, 30442, 31424, 39280, 39680, 43208, 43648, 54010, 54560, 60884, 62848, 76105, 78560, 79360, 86416, 87296, 108020, 109120, 121768, 125696, 152210, 157120, 167431, 172832, 174592, 216040, 218240, 243536, 251392, 304420, 314240, 334862, 345664, 432080, 436480, 487072, 608840, 628480, 669724, 691328, 837155, 864160, 872960, 974144, 1217680, 1256960, 1339448, 1382656, 1674310, 1728320, 1948288, 2435360, 2678896, 2765312, 3348620, 3456640, 3896576, 4870720, 5357792, 6697240, 6913280, 7793152, 9741440, 10715584, 13394480, 13826560, 19482880, 21431168, 26788960, 38965760, 42862336, 53577920, 85724672, 107155840, 214311680, 428623360]

約数ペア:

[(1, 428623360), (2, 214311680), (4, 107155840), (5, 85724672), (8, 53577920), (10, 42862336), (11, 38965760), (16, 26788960), (20, 21431168), (22, 19482880), (31, 13826560), (32, 13394480), (40, 10715584), (44, 9741440), (55, 7793152), (62, 6913280), (64, 6697240), (80, 5357792), (88, 4870720), (110, 3896576), (124, 3456640), (128, 3348620), (155, 2765312), (160, 2678896), (176, 2435360), (220, 1948288), (248, 1728320), (256, 1674310), (310, 1382656), (320, 1339448), (341, 1256960), (352, 1217680), (440, 974144), (491, 872960), (496, 864160), (512, 837155), (620, 691328), (640, 669724), (682, 628480), (704, 608840), (880, 487072), (982, 436480), (992, 432080), (1240, 345664), (1280, 334862), (1364, 314240), (1408, 304420), (1705, 251392), (1760, 243536), (1964, 218240), (1984, 216040), (2455, 174592), (2480, 172832), (2560, 167431), (2728, 157120), (2816, 152210), (3410, 125696), (3520, 121768), (3928, 109120), (3968, 108020), (4910, 87296), (4960, 86416), (5401, 79360), (5456, 78560), (5632, 76105), (6820, 62848), (7040, 60884), (7856, 54560), (7936, 54010), (9820, 43648), (9920, 43208), (10802, 39680), (10912, 39280), (13640, 31424), (14080, 30442), (15221, 28160), (15712, 27280), (15872, 27005), (19640, 21824), (19840, 21604)]