2578963680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20123}}^1$

素因数の和:20233

約数の個数: 144

約数和(自身を含む): 8900040240

約数和(自身を除く): 6321076560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1440, 1602, 1780, 2136, 2670, 2848, 3204, 3560, 4005, 4272, 5340, 6408, 7120, 8010, 8544, 10680, 12816, 14240, 16020, 20123, 21360, 25632, 32040, 40246, 42720, 60369, 64080, 80492, 100615, 120738, 128160, 160984, 181107, 201230, 241476, 301845, 321968, 362214, 402460, 482952, 603690, 643936, 724428, 804920, 905535, 965904, 1207380, 1448856, 1609840, 1790947, 1811070, 1931808, 2414760, 2897712, 3219680, 3581894, 3622140, 4829520, 5372841, 5795424, 7163788, 7244280, 8954735, 9659040, 10745682, 14327576, 14488560, 16118523, 17909470, 21491364, 26864205, 28655152, 28977120, 32237046, 35818940, 42982728, 53728410, 57310304, 64474092, 71637880, 80592615, 85965456, 107456820, 128948184, 143275760, 161185230, 171930912, 214913640, 257896368, 286551520, 322370460, 429827280, 515792736, 644740920, 859654560, 1289481840, 2578963680]

約数ペア:

[(1, 2578963680), (2, 1289481840), (3, 859654560), (4, 644740920), (5, 515792736), (6, 429827280), (8, 322370460), (9, 286551520), (10, 257896368), (12, 214913640), (15, 171930912), (16, 161185230), (18, 143275760), (20, 128948184), (24, 107456820), (30, 85965456), (32, 80592615), (36, 71637880), (40, 64474092), (45, 57310304), (48, 53728410), (60, 42982728), (72, 35818940), (80, 32237046), (89, 28977120), (90, 28655152), (96, 26864205), (120, 21491364), (144, 17909470), (160, 16118523), (178, 14488560), (180, 14327576), (240, 10745682), (267, 9659040), (288, 8954735), (356, 7244280), (360, 7163788), (445, 5795424), (480, 5372841), (534, 4829520), (712, 3622140), (720, 3581894), (801, 3219680), (890, 2897712), (1068, 2414760), (1335, 1931808), (1424, 1811070), (1440, 1790947), (1602, 1609840), (1780, 1448856), (2136, 1207380), (2670, 965904), (2848, 905535), (3204, 804920), (3560, 724428), (4005, 643936), (4272, 603690), (5340, 482952), (6408, 402460), (7120, 362214), (8010, 321968), (8544, 301845), (10680, 241476), (12816, 201230), (14240, 181107), (16020, 160984), (20123, 128160), (21360, 120738), (25632, 100615), (32040, 80492), (40246, 64080), (42720, 60369)]