312949980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{9199}}^1$

素因数の和:9230

約数の個数: 144

約数和(自身を含む): 1125196800

約数和(自身を除く): 812246820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 9199, 11340, 17010, 18398, 27597, 34020, 36796, 45995, 55194, 64393, 82791, 91990, 110388, 128786, 137985, 165582, 183980, 193179, 248373, 257572, 275970, 321965, 331164, 386358, 413955, 496746, 551940, 579537, 643930, 745119, 772716, 827910, 965895, 993492, 1159074, 1241865, 1287860, 1490238, 1655820, 1738611, 1931790, 2235357, 2318148, 2483730, 2897685, 2980476, 3477222, 3725595, 3863580, 4470714, 4967460, 5215833, 5795370, 6954444, 7451190, 8693055, 8941428, 10431666, 11176785, 11590740, 14902380, 15647499, 17386110, 20863332, 22353570, 26079165, 31294998, 34772220, 44707140, 52158330, 62589996, 78237495, 104316660, 156474990, 312949980]

約数ペア:

[(1, 312949980), (2, 156474990), (3, 104316660), (4, 78237495), (5, 62589996), (6, 52158330), (7, 44707140), (9, 34772220), (10, 31294998), (12, 26079165), (14, 22353570), (15, 20863332), (18, 17386110), (20, 15647499), (21, 14902380), (27, 11590740), (28, 11176785), (30, 10431666), (35, 8941428), (36, 8693055), (42, 7451190), (45, 6954444), (54, 5795370), (60, 5215833), (63, 4967460), (70, 4470714), (81, 3863580), (84, 3725595), (90, 3477222), (105, 2980476), (108, 2897685), (126, 2483730), (135, 2318148), (140, 2235357), (162, 1931790), (180, 1738611), (189, 1655820), (210, 1490238), (243, 1287860), (252, 1241865), (270, 1159074), (315, 993492), (324, 965895), (378, 827910), (405, 772716), (420, 745119), (486, 643930), (540, 579537), (567, 551940), (630, 496746), (756, 413955), (810, 386358), (945, 331164), (972, 321965), (1134, 275970), (1215, 257572), (1260, 248373), (1620, 193179), (1701, 183980), (1890, 165582), (2268, 137985), (2430, 128786), (2835, 110388), (3402, 91990), (3780, 82791), (4860, 64393), (5670, 55194), (6804, 45995), (8505, 36796), (9199, 34020), (11340, 27597), (17010, 18398)]