15684760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 45158400

約数和(自身を除く): 29473640

約数列:

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

約数ペア:

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