31369520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 160

約数和(自身を含む): 93327360

約数和(自身を除く): 61957840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 139, 140, 155, 182, 208, 217, 248, 260, 278, 280, 310, 364, 403, 434, 455, 496, 520, 556, 560, 620, 695, 728, 806, 868, 910, 973, 1040, 1085, 1112, 1240, 1390, 1456, 1612, 1736, 1807, 1820, 1946, 2015, 2170, 2224, 2480, 2780, 2821, 3224, 3472, 3614, 3640, 3892, 4030, 4309, 4340, 4865, 5560, 5642, 6448, 7228, 7280, 7784, 8060, 8618, 8680, 9035, 9730, 11120, 11284, 12649, 14105, 14456, 15568, 16120, 17236, 17360, 18070, 19460, 21545, 22568, 25298, 28210, 28912, 30163, 32240, 34472, 36140, 38920, 43090, 45136, 50596, 56017, 56420, 60326, 63245, 68944, 72280, 77840, 86180, 101192, 112034, 112840, 120652, 126490, 144560, 150815, 172360, 202384, 224068, 225680, 241304, 252980, 280085, 301630, 344720, 392119, 448136, 482608, 505960, 560170, 603260, 784238, 896272, 1011920, 1120340, 1206520, 1568476, 1960595, 2240680, 2413040, 3136952, 3921190, 4481360, 6273904, 7842380, 15684760, 31369520]

約数ペア:

[(1, 31369520), (2, 15684760), (4, 7842380), (5, 6273904), (7, 4481360), (8, 3921190), (10, 3136952), (13, 2413040), (14, 2240680), (16, 1960595), (20, 1568476), (26, 1206520), (28, 1120340), (31, 1011920), (35, 896272), (40, 784238), (52, 603260), (56, 560170), (62, 505960), (65, 482608), (70, 448136), (80, 392119), (91, 344720), (104, 301630), (112, 280085), (124, 252980), (130, 241304), (139, 225680), (140, 224068), (155, 202384), (182, 172360), (208, 150815), (217, 144560), (248, 126490), (260, 120652), (278, 112840), (280, 112034), (310, 101192), (364, 86180), (403, 77840), (434, 72280), (455, 68944), (496, 63245), (520, 60326), (556, 56420), (560, 56017), (620, 50596), (695, 45136), (728, 43090), (806, 38920), (868, 36140), (910, 34472), (973, 32240), (1040, 30163), (1085, 28912), (1112, 28210), (1240, 25298), (1390, 22568), (1456, 21545), (1612, 19460), (1736, 18070), (1807, 17360), (1820, 17236), (1946, 16120), (2015, 15568), (2170, 14456), (2224, 14105), (2480, 12649), (2780, 11284), (2821, 11120), (3224, 9730), (3472, 9035), (3614, 8680), (3640, 8618), (3892, 8060), (4030, 7784), (4309, 7280), (4340, 7228), (4865, 6448), (5560, 5642)]