15016820

素因数分解:

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

素因数の和:289

約数の個数: 96

約数和(自身を含む): 40040448

約数和(自身を除く): 25023628

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 223, 259, 260, 364, 370, 446, 455, 481, 518, 740, 892, 910, 962, 1036, 1115, 1295, 1561, 1820, 1924, 2230, 2405, 2590, 2899, 3122, 3367, 4460, 4810, 5180, 5798, 6244, 6734, 7805, 8251, 9620, 11596, 13468, 14495, 15610, 16502, 16835, 20293, 28990, 31220, 33004, 33670, 40586, 41255, 57757, 57980, 67340, 81172, 82510, 101465, 107263, 115514, 165020, 202930, 214526, 231028, 288785, 405860, 429052, 536315, 577570, 750841, 1072630, 1155140, 1501682, 2145260, 3003364, 3754205, 7508410, 15016820]

約数ペア:

[(1, 15016820), (2, 7508410), (4, 3754205), (5, 3003364), (7, 2145260), (10, 1501682), (13, 1155140), (14, 1072630), (20, 750841), (26, 577570), (28, 536315), (35, 429052), (37, 405860), (52, 288785), (65, 231028), (70, 214526), (74, 202930), (91, 165020), (130, 115514), (140, 107263), (148, 101465), (182, 82510), (185, 81172), (223, 67340), (259, 57980), (260, 57757), (364, 41255), (370, 40586), (446, 33670), (455, 33004), (481, 31220), (518, 28990), (740, 20293), (892, 16835), (910, 16502), (962, 15610), (1036, 14495), (1115, 13468), (1295, 11596), (1561, 9620), (1820, 8251), (1924, 7805), (2230, 6734), (2405, 6244), (2590, 5798), (2899, 5180), (3122, 4810), (3367, 4460)]