30033640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 85800960

約数和(自身を除く): 55767320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 223, 259, 260, 280, 296, 364, 370, 446, 455, 481, 518, 520, 728, 740, 892, 910, 962, 1036, 1115, 1295, 1480, 1561, 1784, 1820, 1924, 2072, 2230, 2405, 2590, 2899, 3122, 3367, 3640, 3848, 4460, 4810, 5180, 5798, 6244, 6734, 7805, 8251, 8920, 9620, 10360, 11596, 12488, 13468, 14495, 15610, 16502, 16835, 19240, 20293, 23192, 26936, 28990, 31220, 33004, 33670, 40586, 41255, 57757, 57980, 62440, 66008, 67340, 81172, 82510, 101465, 107263, 115514, 115960, 134680, 162344, 165020, 202930, 214526, 231028, 288785, 330040, 405860, 429052, 462056, 536315, 577570, 750841, 811720, 858104, 1072630, 1155140, 1501682, 2145260, 2310280, 3003364, 3754205, 4290520, 6006728, 7508410, 15016820, 30033640]

約数ペア:

[(1, 30033640), (2, 15016820), (4, 7508410), (5, 6006728), (7, 4290520), (8, 3754205), (10, 3003364), (13, 2310280), (14, 2145260), (20, 1501682), (26, 1155140), (28, 1072630), (35, 858104), (37, 811720), (40, 750841), (52, 577570), (56, 536315), (65, 462056), (70, 429052), (74, 405860), (91, 330040), (104, 288785), (130, 231028), (140, 214526), (148, 202930), (182, 165020), (185, 162344), (223, 134680), (259, 115960), (260, 115514), (280, 107263), (296, 101465), (364, 82510), (370, 81172), (446, 67340), (455, 66008), (481, 62440), (518, 57980), (520, 57757), (728, 41255), (740, 40586), (892, 33670), (910, 33004), (962, 31220), (1036, 28990), (1115, 26936), (1295, 23192), (1480, 20293), (1561, 19240), (1784, 16835), (1820, 16502), (1924, 15610), (2072, 14495), (2230, 13468), (2405, 12488), (2590, 11596), (2899, 10360), (3122, 9620), (3367, 8920), (3640, 8251), (3848, 7805), (4460, 6734), (4810, 6244), (5180, 5798)]