399456720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42677}}^1$

素因数の和:42709

約数の個数: 120

約数和(自身を含む): 1444735656

約数和(自身を除く): 1045278936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 42677, 85354, 128031, 170708, 213385, 256062, 341416, 384093, 426770, 512124, 554801, 640155, 682832, 768186, 853540, 1024248, 1109602, 1280310, 1536372, 1664403, 1707080, 1920465, 2048496, 2219204, 2560620, 2774005, 3072744, 3328806, 3414160, 3840930, 4438408, 4993209, 5121240, 5548010, 6145488, 6657612, 7681860, 8322015, 8876816, 9986418, 10242480, 11096020, 13315224, 15363720, 16644030, 19972836, 22192040, 24966045, 26630448, 30727440, 33288060, 39945672, 44384080, 49932090, 66576120, 79891344, 99864180, 133152240, 199728360, 399456720]

約数ペア:

[(1, 399456720), (2, 199728360), (3, 133152240), (4, 99864180), (5, 79891344), (6, 66576120), (8, 49932090), (9, 44384080), (10, 39945672), (12, 33288060), (13, 30727440), (15, 26630448), (16, 24966045), (18, 22192040), (20, 19972836), (24, 16644030), (26, 15363720), (30, 13315224), (36, 11096020), (39, 10242480), (40, 9986418), (45, 8876816), (48, 8322015), (52, 7681860), (60, 6657612), (65, 6145488), (72, 5548010), (78, 5121240), (80, 4993209), (90, 4438408), (104, 3840930), (117, 3414160), (120, 3328806), (130, 3072744), (144, 2774005), (156, 2560620), (180, 2219204), (195, 2048496), (208, 1920465), (234, 1707080), (240, 1664403), (260, 1536372), (312, 1280310), (360, 1109602), (390, 1024248), (468, 853540), (520, 768186), (585, 682832), (624, 640155), (720, 554801), (780, 512124), (936, 426770), (1040, 384093), (1170, 341416), (1560, 256062), (1872, 213385), (2340, 170708), (3120, 128031), (4680, 85354), (9360, 42677)]