2047981520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:653

約数の個数: 160

約数和(自身を含む): 5342991360

約数和(自身を除く): 3295009840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 139, 155, 208, 248, 260, 278, 310, 403, 457, 496, 520, 556, 620, 695, 806, 914, 1040, 1112, 1240, 1390, 1612, 1807, 1828, 2015, 2224, 2285, 2480, 2780, 3224, 3614, 3656, 4030, 4309, 4570, 5560, 5941, 6448, 7228, 7312, 8060, 8618, 9035, 9140, 11120, 11882, 14167, 14456, 16120, 17236, 18070, 18280, 21545, 23764, 28334, 28912, 29705, 32240, 34472, 36140, 36560, 43090, 47528, 56017, 56668, 59410, 63523, 68944, 70835, 72280, 86180, 95056, 112034, 113336, 118820, 127046, 141670, 144560, 172360, 184171, 224068, 226672, 237640, 254092, 280085, 283340, 317615, 344720, 368342, 448136, 475280, 508184, 560170, 566680, 635230, 736684, 825799, 896272, 920855, 1016368, 1120340, 1133360, 1270460, 1473368, 1651598, 1841710, 1969213, 2240680, 2540920, 2946736, 3303196, 3683420, 3938426, 4128995, 4481360, 5081840, 6606392, 7366840, 7876852, 8257990, 9846065, 13212784, 14733680, 15753704, 16515980, 19692130, 25599769, 31507408, 33031960, 39384260, 51199538, 66063920, 78768520, 102399076, 127998845, 157537040, 204798152, 255997690, 409596304, 511995380, 1023990760, 2047981520]

約数ペア:

[(1, 2047981520), (2, 1023990760), (4, 511995380), (5, 409596304), (8, 255997690), (10, 204798152), (13, 157537040), (16, 127998845), (20, 102399076), (26, 78768520), (31, 66063920), (40, 51199538), (52, 39384260), (62, 33031960), (65, 31507408), (80, 25599769), (104, 19692130), (124, 16515980), (130, 15753704), (139, 14733680), (155, 13212784), (208, 9846065), (248, 8257990), (260, 7876852), (278, 7366840), (310, 6606392), (403, 5081840), (457, 4481360), (496, 4128995), (520, 3938426), (556, 3683420), (620, 3303196), (695, 2946736), (806, 2540920), (914, 2240680), (1040, 1969213), (1112, 1841710), (1240, 1651598), (1390, 1473368), (1612, 1270460), (1807, 1133360), (1828, 1120340), (2015, 1016368), (2224, 920855), (2285, 896272), (2480, 825799), (2780, 736684), (3224, 635230), (3614, 566680), (3656, 560170), (4030, 508184), (4309, 475280), (4570, 448136), (5560, 368342), (5941, 344720), (6448, 317615), (7228, 283340), (7312, 280085), (8060, 254092), (8618, 237640), (9035, 226672), (9140, 224068), (11120, 184171), (11882, 172360), (14167, 144560), (14456, 141670), (16120, 127046), (17236, 118820), (18070, 113336), (18280, 112034), (21545, 95056), (23764, 86180), (28334, 72280), (28912, 70835), (29705, 68944), (32240, 63523), (34472, 59410), (36140, 56668), (36560, 56017), (43090, 47528)]