399966120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2080

約数の個数: 128

約数和(自身を含む): 1340640000

約数和(自身を除く): 940673880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 540, 597, 796, 995, 1080, 1194, 1592, 1791, 1861, 1990, 2388, 2985, 3582, 3722, 3980, 4776, 5373, 5583, 5970, 7164, 7444, 7960, 8955, 9305, 10746, 11166, 11940, 14328, 14888, 16749, 17910, 18610, 21492, 22332, 23880, 26865, 27915, 33498, 35820, 37220, 42984, 44664, 50247, 53730, 55830, 66996, 71640, 74440, 83745, 100494, 107460, 111660, 133992, 167490, 200988, 214920, 223320, 251235, 334980, 370339, 401976, 502470, 669960, 740678, 1004940, 1111017, 1481356, 1851695, 2009880, 2222034, 2962712, 3333051, 3703390, 4444068, 5555085, 6666102, 7406780, 8888136, 9999153, 11110170, 13332204, 14813560, 16665255, 19998306, 22220340, 26664408, 33330510, 39996612, 44440680, 49995765, 66661020, 79993224, 99991530, 133322040, 199983060, 399966120]

約数ペア:

[(1, 399966120), (2, 199983060), (3, 133322040), (4, 99991530), (5, 79993224), (6, 66661020), (8, 49995765), (9, 44440680), (10, 39996612), (12, 33330510), (15, 26664408), (18, 22220340), (20, 19998306), (24, 16665255), (27, 14813560), (30, 13332204), (36, 11110170), (40, 9999153), (45, 8888136), (54, 7406780), (60, 6666102), (72, 5555085), (90, 4444068), (108, 3703390), (120, 3333051), (135, 2962712), (180, 2222034), (199, 2009880), (216, 1851695), (270, 1481356), (360, 1111017), (398, 1004940), (540, 740678), (597, 669960), (796, 502470), (995, 401976), (1080, 370339), (1194, 334980), (1592, 251235), (1791, 223320), (1861, 214920), (1990, 200988), (2388, 167490), (2985, 133992), (3582, 111660), (3722, 107460), (3980, 100494), (4776, 83745), (5373, 74440), (5583, 71640), (5970, 66996), (7164, 55830), (7444, 53730), (7960, 50247), (8955, 44664), (9305, 42984), (10746, 37220), (11166, 35820), (11940, 33498), (14328, 27915), (14888, 26865), (16749, 23880), (17910, 22332), (18610, 21492)]