1215204060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{2339}}^1$

素因数の和:3595

約数の個数: 96

約数和(自身を含む): 3893460480

約数和(自身を除く): 2678256420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1237, 2339, 2474, 3711, 4678, 4948, 6185, 7017, 7422, 8659, 9356, 11695, 12370, 14034, 14844, 16373, 17318, 18555, 23390, 24740, 25977, 28068, 32746, 34636, 35085, 37110, 43295, 46780, 49119, 51954, 65492, 70170, 74220, 81865, 86590, 98238, 103908, 129885, 140340, 163730, 173180, 196476, 245595, 259770, 327460, 491190, 519540, 982380, 2893343, 5786686, 8680029, 11573372, 14466715, 17360058, 20253401, 28933430, 34720116, 40506802, 43400145, 57866860, 60760203, 81013604, 86800290, 101267005, 121520406, 173600580, 202534010, 243040812, 303801015, 405068020, 607602030, 1215204060]

約数ペア:

[(1, 1215204060), (2, 607602030), (3, 405068020), (4, 303801015), (5, 243040812), (6, 202534010), (7, 173600580), (10, 121520406), (12, 101267005), (14, 86800290), (15, 81013604), (20, 60760203), (21, 57866860), (28, 43400145), (30, 40506802), (35, 34720116), (42, 28933430), (60, 20253401), (70, 17360058), (84, 14466715), (105, 11573372), (140, 8680029), (210, 5786686), (420, 2893343), (1237, 982380), (2339, 519540), (2474, 491190), (3711, 327460), (4678, 259770), (4948, 245595), (6185, 196476), (7017, 173180), (7422, 163730), (8659, 140340), (9356, 129885), (11695, 103908), (12370, 98238), (14034, 86590), (14844, 81865), (16373, 74220), (17318, 70170), (18555, 65492), (23390, 51954), (24740, 49119), (25977, 46780), (28068, 43295), (32746, 37110), (34636, 35085)]