171635840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 435939840

約数和(自身を除く): 264304000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 211, 248, 310, 320, 328, 410, 422, 496, 620, 640, 656, 820, 844, 992, 1055, 1240, 1271, 1312, 1640, 1688, 1984, 2110, 2480, 2542, 2624, 3280, 3376, 3968, 4220, 4960, 5084, 5248, 6355, 6541, 6560, 6752, 8440, 8651, 9920, 10168, 12710, 13082, 13120, 13504, 16880, 17302, 19840, 20336, 25420, 26164, 26240, 27008, 32705, 33760, 34604, 40672, 43255, 50840, 52328, 65410, 67520, 69208, 81344, 86510, 101680, 104656, 130820, 135040, 138416, 162688, 173020, 203360, 209312, 261640, 268181, 276832, 346040, 406720, 418624, 523280, 536362, 553664, 692080, 813440, 837248, 1046560, 1072724, 1107328, 1340905, 1384160, 2093120, 2145448, 2681810, 2768320, 4186240, 4290896, 5363620, 5536640, 8581792, 10727240, 17163584, 21454480, 34327168, 42908960, 85817920, 171635840]

約数ペア:

[(1, 171635840), (2, 85817920), (4, 42908960), (5, 34327168), (8, 21454480), (10, 17163584), (16, 10727240), (20, 8581792), (31, 5536640), (32, 5363620), (40, 4290896), (41, 4186240), (62, 2768320), (64, 2681810), (80, 2145448), (82, 2093120), (124, 1384160), (128, 1340905), (155, 1107328), (160, 1072724), (164, 1046560), (205, 837248), (211, 813440), (248, 692080), (310, 553664), (320, 536362), (328, 523280), (410, 418624), (422, 406720), (496, 346040), (620, 276832), (640, 268181), (656, 261640), (820, 209312), (844, 203360), (992, 173020), (1055, 162688), (1240, 138416), (1271, 135040), (1312, 130820), (1640, 104656), (1688, 101680), (1984, 86510), (2110, 81344), (2480, 69208), (2542, 67520), (2624, 65410), (3280, 52328), (3376, 50840), (3968, 43255), (4220, 40672), (4960, 34604), (5084, 33760), (5248, 32705), (6355, 27008), (6541, 26240), (6560, 26164), (6752, 25420), (8440, 20336), (8651, 19840), (9920, 17302), (10168, 16880), (12710, 13504), (13082, 13120)]