81632880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5399}}^1$

素因数の和:5428

約数の個数: 160

約数和(自身を含む): 321408000

約数和(自身を除く): 239775120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5399, 7560, 10798, 15120, 16197, 21596, 26995, 32394, 37793, 43192, 48591, 53990, 64788, 75586, 80985, 86384, 97182, 107980, 113379, 129576, 145773, 151172, 161970, 188965, 194364, 215960, 226758, 242955, 259152, 291546, 302344, 323940, 340137, 377930, 388728, 431920, 453516, 485910, 566895, 583092, 604688, 647880, 680274, 728865, 755860, 777456, 907032, 971820, 1020411, 1133790, 1166184, 1295760, 1360548, 1457730, 1511720, 1700685, 1814064, 1943640, 2040822, 2267580, 2332368, 2721096, 2915460, 3023440, 3401370, 3887280, 4081644, 4535160, 5102055, 5442192, 5830920, 6802740, 8163288, 9070320, 10204110, 11661840, 13605480, 16326576, 20408220, 27210960, 40816440, 81632880]

約数ペア:

[(1, 81632880), (2, 40816440), (3, 27210960), (4, 20408220), (5, 16326576), (6, 13605480), (7, 11661840), (8, 10204110), (9, 9070320), (10, 8163288), (12, 6802740), (14, 5830920), (15, 5442192), (16, 5102055), (18, 4535160), (20, 4081644), (21, 3887280), (24, 3401370), (27, 3023440), (28, 2915460), (30, 2721096), (35, 2332368), (36, 2267580), (40, 2040822), (42, 1943640), (45, 1814064), (48, 1700685), (54, 1511720), (56, 1457730), (60, 1360548), (63, 1295760), (70, 1166184), (72, 1133790), (80, 1020411), (84, 971820), (90, 907032), (105, 777456), (108, 755860), (112, 728865), (120, 680274), (126, 647880), (135, 604688), (140, 583092), (144, 566895), (168, 485910), (180, 453516), (189, 431920), (210, 388728), (216, 377930), (240, 340137), (252, 323940), (270, 302344), (280, 291546), (315, 259152), (336, 242955), (360, 226758), (378, 215960), (420, 194364), (432, 188965), (504, 161970), (540, 151172), (560, 145773), (630, 129576), (720, 113379), (756, 107980), (840, 97182), (945, 86384), (1008, 80985), (1080, 75586), (1260, 64788), (1512, 53990), (1680, 48591), (1890, 43192), (2160, 37793), (2520, 32394), (3024, 26995), (3780, 21596), (5040, 16197), (5399, 15120), (7560, 10798)]