400127520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64123}}^1$

素因数の和:64154

約数の個数: 96

約数和(自身を含む): 1357376832

約数和(自身を除く): 957249312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 64123, 128246, 192369, 256492, 320615, 384738, 512984, 641230, 769476, 833599, 961845, 1025968, 1282460, 1538952, 1667198, 1923690, 2051936, 2500797, 2564920, 3077904, 3334396, 3847380, 4167995, 5001594, 5129840, 6155808, 6668792, 7694760, 8335990, 10003188, 10259680, 12503985, 13337584, 15389520, 16671980, 20006376, 25007970, 26675168, 30779040, 33343960, 40012752, 50015940, 66687920, 80025504, 100031880, 133375840, 200063760, 400127520]

約数ペア:

[(1, 400127520), (2, 200063760), (3, 133375840), (4, 100031880), (5, 80025504), (6, 66687920), (8, 50015940), (10, 40012752), (12, 33343960), (13, 30779040), (15, 26675168), (16, 25007970), (20, 20006376), (24, 16671980), (26, 15389520), (30, 13337584), (32, 12503985), (39, 10259680), (40, 10003188), (48, 8335990), (52, 7694760), (60, 6668792), (65, 6155808), (78, 5129840), (80, 5001594), (96, 4167995), (104, 3847380), (120, 3334396), (130, 3077904), (156, 2564920), (160, 2500797), (195, 2051936), (208, 1923690), (240, 1667198), (260, 1538952), (312, 1282460), (390, 1025968), (416, 961845), (480, 833599), (520, 769476), (624, 641230), (780, 512984), (1040, 384738), (1248, 320615), (1560, 256492), (2080, 192369), (3120, 128246), (6240, 64123)]