78348160

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 211507200

約数和(自身を除く): 133159040

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, 310, 320, 341, 352, 359, 440, 496, 620, 640, 682, 704, 718, 880, 992, 1240, 1364, 1408, 1436, 1705, 1760, 1795, 1984, 2480, 2728, 2872, 3410, 3520, 3590, 3949, 3968, 4960, 5456, 5744, 6820, 7040, 7180, 7898, 9920, 10912, 11129, 11488, 13640, 14360, 15796, 19745, 19840, 21824, 22258, 22976, 27280, 28720, 31592, 39490, 43648, 44516, 45952, 54560, 55645, 57440, 63184, 78980, 89032, 109120, 111290, 114880, 122419, 126368, 157960, 178064, 218240, 222580, 229760, 244838, 252736, 315920, 356128, 445160, 489676, 505472, 612095, 631840, 712256, 890320, 979352, 1224190, 1263680, 1424512, 1780640, 1958704, 2448380, 2527360, 3561280, 3917408, 4896760, 7122560, 7834816, 9793520, 15669632, 19587040, 39174080, 78348160]

約数ペア:

[(1, 78348160), (2, 39174080), (4, 19587040), (5, 15669632), (8, 9793520), (10, 7834816), (11, 7122560), (16, 4896760), (20, 3917408), (22, 3561280), (31, 2527360), (32, 2448380), (40, 1958704), (44, 1780640), (55, 1424512), (62, 1263680), (64, 1224190), (80, 979352), (88, 890320), (110, 712256), (124, 631840), (128, 612095), (155, 505472), (160, 489676), (176, 445160), (220, 356128), (248, 315920), (310, 252736), (320, 244838), (341, 229760), (352, 222580), (359, 218240), (440, 178064), (496, 157960), (620, 126368), (640, 122419), (682, 114880), (704, 111290), (718, 109120), (880, 89032), (992, 78980), (1240, 63184), (1364, 57440), (1408, 55645), (1436, 54560), (1705, 45952), (1760, 44516), (1795, 43648), (1984, 39490), (2480, 31592), (2728, 28720), (2872, 27280), (3410, 22976), (3520, 22258), (3590, 21824), (3949, 19840), (3968, 19745), (4960, 15796), (5456, 14360), (5744, 13640), (6820, 11488), (7040, 11129), (7180, 10912), (7898, 9920)]