378677880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{21467}}^1$

素因数の和:21498

約数の個数: 144

約数和(自身を含む): 1431700920

約数和(自身を除く): 1053023040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 21467, 42934, 64401, 85868, 107335, 128802, 150269, 171736, 193203, 214670, 257604, 300538, 322005, 386406, 429340, 450807, 515208, 601076, 644010, 751345, 772812, 858680, 901614, 966015, 1051883, 1202152, 1288020, 1352421, 1502690, 1545624, 1803228, 1932030, 2103766, 2254035, 2576040, 2704842, 3005380, 3155649, 3606456, 3864060, 4207532, 4508070, 5259415, 5409684, 6010760, 6311298, 6762105, 7728120, 8415064, 9016140, 9466947, 10518830, 10819368, 12622596, 13524210, 15778245, 18032280, 18933894, 21037660, 25245192, 27048420, 31556490, 37867788, 42075320, 47334735, 54096840, 63112980, 75735576, 94669470, 126225960, 189338940, 378677880]

約数ペア:

[(1, 378677880), (2, 189338940), (3, 126225960), (4, 94669470), (5, 75735576), (6, 63112980), (7, 54096840), (8, 47334735), (9, 42075320), (10, 37867788), (12, 31556490), (14, 27048420), (15, 25245192), (18, 21037660), (20, 18933894), (21, 18032280), (24, 15778245), (28, 13524210), (30, 12622596), (35, 10819368), (36, 10518830), (40, 9466947), (42, 9016140), (45, 8415064), (49, 7728120), (56, 6762105), (60, 6311298), (63, 6010760), (70, 5409684), (72, 5259415), (84, 4508070), (90, 4207532), (98, 3864060), (105, 3606456), (120, 3155649), (126, 3005380), (140, 2704842), (147, 2576040), (168, 2254035), (180, 2103766), (196, 1932030), (210, 1803228), (245, 1545624), (252, 1502690), (280, 1352421), (294, 1288020), (315, 1202152), (360, 1051883), (392, 966015), (420, 901614), (441, 858680), (490, 772812), (504, 751345), (588, 644010), (630, 601076), (735, 515208), (840, 450807), (882, 429340), (980, 386406), (1176, 322005), (1260, 300538), (1470, 257604), (1764, 214670), (1960, 193203), (2205, 171736), (2520, 150269), (2940, 128802), (3528, 107335), (4410, 85868), (5880, 64401), (8820, 42934), (17640, 21467)]