67872640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 183306240

約数和(自身を除く): 115433600

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, 311, 320, 341, 352, 440, 496, 620, 622, 640, 682, 704, 880, 992, 1240, 1244, 1364, 1408, 1555, 1705, 1760, 1984, 2480, 2488, 2728, 3110, 3410, 3421, 3520, 3968, 4960, 4976, 5456, 6220, 6820, 6842, 7040, 9641, 9920, 9952, 10912, 12440, 13640, 13684, 17105, 19282, 19840, 19904, 21824, 24880, 27280, 27368, 34210, 38564, 39808, 43648, 48205, 49760, 54560, 54736, 68420, 77128, 96410, 99520, 106051, 109120, 109472, 136840, 154256, 192820, 199040, 212102, 218240, 218944, 273680, 308512, 385640, 424204, 437888, 530255, 547360, 617024, 771280, 848408, 1060510, 1094720, 1234048, 1542560, 1696816, 2121020, 2189440, 3085120, 3393632, 4242040, 6170240, 6787264, 8484080, 13574528, 16968160, 33936320, 67872640]

約数ペア:

[(1, 67872640), (2, 33936320), (4, 16968160), (5, 13574528), (8, 8484080), (10, 6787264), (11, 6170240), (16, 4242040), (20, 3393632), (22, 3085120), (31, 2189440), (32, 2121020), (40, 1696816), (44, 1542560), (55, 1234048), (62, 1094720), (64, 1060510), (80, 848408), (88, 771280), (110, 617024), (124, 547360), (128, 530255), (155, 437888), (160, 424204), (176, 385640), (220, 308512), (248, 273680), (310, 218944), (311, 218240), (320, 212102), (341, 199040), (352, 192820), (440, 154256), (496, 136840), (620, 109472), (622, 109120), (640, 106051), (682, 99520), (704, 96410), (880, 77128), (992, 68420), (1240, 54736), (1244, 54560), (1364, 49760), (1408, 48205), (1555, 43648), (1705, 39808), (1760, 38564), (1984, 34210), (2480, 27368), (2488, 27280), (2728, 24880), (3110, 21824), (3410, 19904), (3421, 19840), (3520, 19282), (3968, 17105), (4960, 13684), (4976, 13640), (5456, 12440), (6220, 10912), (6820, 9952), (6842, 9920), (7040, 9641)]