30530720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 84460320

約数和(自身を除く): 53929600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 83, 88, 95, 110, 121, 152, 160, 166, 176, 190, 209, 220, 242, 304, 332, 352, 380, 415, 418, 440, 484, 605, 608, 664, 760, 830, 836, 880, 913, 968, 1045, 1210, 1328, 1520, 1577, 1660, 1672, 1760, 1826, 1936, 2090, 2299, 2420, 2656, 3040, 3154, 3320, 3344, 3652, 3872, 4180, 4565, 4598, 4840, 6308, 6640, 6688, 7304, 7885, 8360, 9130, 9196, 9680, 10043, 11495, 12616, 13280, 14608, 15770, 16720, 17347, 18260, 18392, 19360, 20086, 22990, 25232, 29216, 31540, 33440, 34694, 36520, 36784, 40172, 45980, 50215, 50464, 63080, 69388, 73040, 73568, 80344, 86735, 91960, 100430, 126160, 138776, 146080, 160688, 173470, 183920, 190817, 200860, 252320, 277552, 321376, 346940, 367840, 381634, 401720, 555104, 693880, 763268, 803440, 954085, 1387760, 1526536, 1606880, 1908170, 2775520, 3053072, 3816340, 6106144, 7632680, 15265360, 30530720]

約数ペア:

[(1, 30530720), (2, 15265360), (4, 7632680), (5, 6106144), (8, 3816340), (10, 3053072), (11, 2775520), (16, 1908170), (19, 1606880), (20, 1526536), (22, 1387760), (32, 954085), (38, 803440), (40, 763268), (44, 693880), (55, 555104), (76, 401720), (80, 381634), (83, 367840), (88, 346940), (95, 321376), (110, 277552), (121, 252320), (152, 200860), (160, 190817), (166, 183920), (176, 173470), (190, 160688), (209, 146080), (220, 138776), (242, 126160), (304, 100430), (332, 91960), (352, 86735), (380, 80344), (415, 73568), (418, 73040), (440, 69388), (484, 63080), (605, 50464), (608, 50215), (664, 45980), (760, 40172), (830, 36784), (836, 36520), (880, 34694), (913, 33440), (968, 31540), (1045, 29216), (1210, 25232), (1328, 22990), (1520, 20086), (1577, 19360), (1660, 18392), (1672, 18260), (1760, 17347), (1826, 16720), (1936, 15770), (2090, 14608), (2299, 13280), (2420, 12616), (2656, 11495), (3040, 10043), (3154, 9680), (3320, 9196), (3344, 9130), (3652, 8360), (3872, 7885), (4180, 7304), (4565, 6688), (4598, 6640), (4840, 6308)]