881140120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2345

約数の個数: 128

約数和(自身を含む): 2404131840

約数和(自身を除く): 1522991720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 140, 161, 184, 230, 244, 280, 305, 322, 427, 460, 488, 610, 644, 805, 854, 920, 1220, 1288, 1403, 1610, 1708, 2135, 2243, 2440, 2806, 3220, 3416, 4270, 4486, 5612, 6440, 7015, 8540, 8972, 9821, 11215, 11224, 14030, 15701, 17080, 17944, 19642, 22430, 28060, 31402, 39284, 44860, 49105, 51589, 56120, 62804, 78505, 78568, 89720, 98210, 103178, 125608, 136823, 157010, 196420, 206356, 257945, 273646, 314020, 361123, 392840, 412712, 515890, 547292, 628040, 684115, 722246, 957761, 1031780, 1094584, 1368230, 1444492, 1805615, 1915522, 2063560, 2736460, 2888984, 3146929, 3611230, 3831044, 4788805, 5472920, 6293858, 7222460, 7662088, 9577610, 12587716, 14444920, 15734645, 19155220, 22028503, 25175432, 31469290, 38310440, 44057006, 62938580, 88114012, 110142515, 125877160, 176228024, 220285030, 440570060, 881140120]

約数ペア:

[(1, 881140120), (2, 440570060), (4, 220285030), (5, 176228024), (7, 125877160), (8, 110142515), (10, 88114012), (14, 62938580), (20, 44057006), (23, 38310440), (28, 31469290), (35, 25175432), (40, 22028503), (46, 19155220), (56, 15734645), (61, 14444920), (70, 12587716), (92, 9577610), (115, 7662088), (122, 7222460), (140, 6293858), (161, 5472920), (184, 4788805), (230, 3831044), (244, 3611230), (280, 3146929), (305, 2888984), (322, 2736460), (427, 2063560), (460, 1915522), (488, 1805615), (610, 1444492), (644, 1368230), (805, 1094584), (854, 1031780), (920, 957761), (1220, 722246), (1288, 684115), (1403, 628040), (1610, 547292), (1708, 515890), (2135, 412712), (2243, 392840), (2440, 361123), (2806, 314020), (3220, 273646), (3416, 257945), (4270, 206356), (4486, 196420), (5612, 157010), (6440, 136823), (7015, 125608), (8540, 103178), (8972, 98210), (9821, 89720), (11215, 78568), (11224, 78505), (14030, 62804), (15701, 56120), (17080, 51589), (17944, 49105), (19642, 44860), (22430, 39284), (28060, 31402)]