67515520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 172730880

約数和(自身を除く): 105215360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 83, 124, 128, 155, 160, 164, 166, 205, 248, 310, 320, 328, 332, 410, 415, 496, 620, 640, 656, 664, 820, 830, 992, 1240, 1271, 1312, 1328, 1640, 1660, 1984, 2480, 2542, 2573, 2624, 2656, 3280, 3320, 3403, 3968, 4960, 5084, 5146, 5248, 5312, 6355, 6560, 6640, 6806, 9920, 10168, 10292, 10624, 12710, 12865, 13120, 13280, 13612, 17015, 19840, 20336, 20584, 25420, 25730, 26240, 26560, 27224, 34030, 40672, 41168, 50840, 51460, 53120, 54448, 68060, 81344, 82336, 101680, 102920, 105493, 108896, 136120, 162688, 164672, 203360, 205840, 210986, 217792, 272240, 329344, 406720, 411680, 421972, 435584, 527465, 544480, 813440, 823360, 843944, 1054930, 1088960, 1646720, 1687888, 2109860, 2177920, 3375776, 4219720, 6751552, 8439440, 13503104, 16878880, 33757760, 67515520]

約数ペア:

[(1, 67515520), (2, 33757760), (4, 16878880), (5, 13503104), (8, 8439440), (10, 6751552), (16, 4219720), (20, 3375776), (31, 2177920), (32, 2109860), (40, 1687888), (41, 1646720), (62, 1088960), (64, 1054930), (80, 843944), (82, 823360), (83, 813440), (124, 544480), (128, 527465), (155, 435584), (160, 421972), (164, 411680), (166, 406720), (205, 329344), (248, 272240), (310, 217792), (320, 210986), (328, 205840), (332, 203360), (410, 164672), (415, 162688), (496, 136120), (620, 108896), (640, 105493), (656, 102920), (664, 101680), (820, 82336), (830, 81344), (992, 68060), (1240, 54448), (1271, 53120), (1312, 51460), (1328, 50840), (1640, 41168), (1660, 40672), (1984, 34030), (2480, 27224), (2542, 26560), (2573, 26240), (2624, 25730), (2656, 25420), (3280, 20584), (3320, 20336), (3403, 19840), (3968, 17015), (4960, 13612), (5084, 13280), (5146, 13120), (5248, 12865), (5312, 12710), (6355, 10624), (6560, 10292), (6640, 10168), (6806, 9920)]