381741440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 958832640

約数和(自身を除く): 577091200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 271, 284, 310, 320, 355, 496, 542, 568, 620, 640, 710, 992, 1084, 1136, 1240, 1355, 1420, 1984, 2168, 2201, 2272, 2480, 2710, 2840, 3968, 4336, 4402, 4544, 4960, 5420, 5680, 8401, 8672, 8804, 9088, 9920, 10840, 11005, 11360, 16802, 17344, 17608, 19241, 19840, 21680, 22010, 22720, 33604, 34688, 35216, 38482, 42005, 43360, 44020, 45440, 67208, 70432, 76964, 84010, 86720, 88040, 96205, 134416, 140864, 153928, 168020, 173440, 176080, 192410, 268832, 281728, 307856, 336040, 352160, 384820, 537664, 596471, 615712, 672080, 704320, 769640, 1075328, 1192942, 1231424, 1344160, 1408640, 1539280, 2385884, 2462848, 2688320, 2982355, 3078560, 4771768, 5376640, 5964710, 6157120, 9543536, 11929420, 12314240, 19087072, 23858840, 38174144, 47717680, 76348288, 95435360, 190870720, 381741440]

約数ペア:

[(1, 381741440), (2, 190870720), (4, 95435360), (5, 76348288), (8, 47717680), (10, 38174144), (16, 23858840), (20, 19087072), (31, 12314240), (32, 11929420), (40, 9543536), (62, 6157120), (64, 5964710), (71, 5376640), (80, 4771768), (124, 3078560), (128, 2982355), (142, 2688320), (155, 2462848), (160, 2385884), (248, 1539280), (271, 1408640), (284, 1344160), (310, 1231424), (320, 1192942), (355, 1075328), (496, 769640), (542, 704320), (568, 672080), (620, 615712), (640, 596471), (710, 537664), (992, 384820), (1084, 352160), (1136, 336040), (1240, 307856), (1355, 281728), (1420, 268832), (1984, 192410), (2168, 176080), (2201, 173440), (2272, 168020), (2480, 153928), (2710, 140864), (2840, 134416), (3968, 96205), (4336, 88040), (4402, 86720), (4544, 84010), (4960, 76964), (5420, 70432), (5680, 67208), (8401, 45440), (8672, 44020), (8804, 43360), (9088, 42005), (9920, 38482), (10840, 35216), (11005, 34688), (11360, 33604), (16802, 22720), (17344, 22010), (17608, 21680), (19241, 19840)]