320171100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 966604800

約数和(自身を除く): 646433700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 173, 186, 199, 300, 310, 346, 372, 398, 465, 519, 597, 620, 692, 775, 796, 865, 930, 995, 1038, 1194, 1550, 1730, 1860, 1990, 2076, 2325, 2388, 2595, 2985, 3100, 3460, 3980, 4325, 4650, 4975, 5190, 5363, 5970, 6169, 8650, 9300, 9950, 10380, 10726, 11940, 12338, 12975, 14925, 16089, 17300, 18507, 19900, 21452, 24676, 25950, 26815, 29850, 30845, 32178, 34427, 37014, 51900, 53630, 59700, 61690, 64356, 68854, 74028, 80445, 92535, 103281, 107260, 123380, 134075, 137708, 154225, 160890, 172135, 185070, 206562, 268150, 308450, 321780, 344270, 370140, 402225, 413124, 462675, 516405, 536300, 616900, 688540, 804450, 860675, 925350, 1032810, 1067237, 1608900, 1721350, 1850700, 2065620, 2134474, 2582025, 3201711, 3442700, 4268948, 5164050, 5336185, 6403422, 10328100, 10672370, 12806844, 16008555, 21344740, 26680925, 32017110, 53361850, 64034220, 80042775, 106723700, 160085550, 320171100]

約数ペア:

[(1, 320171100), (2, 160085550), (3, 106723700), (4, 80042775), (5, 64034220), (6, 53361850), (10, 32017110), (12, 26680925), (15, 21344740), (20, 16008555), (25, 12806844), (30, 10672370), (31, 10328100), (50, 6403422), (60, 5336185), (62, 5164050), (75, 4268948), (93, 3442700), (100, 3201711), (124, 2582025), (150, 2134474), (155, 2065620), (173, 1850700), (186, 1721350), (199, 1608900), (300, 1067237), (310, 1032810), (346, 925350), (372, 860675), (398, 804450), (465, 688540), (519, 616900), (597, 536300), (620, 516405), (692, 462675), (775, 413124), (796, 402225), (865, 370140), (930, 344270), (995, 321780), (1038, 308450), (1194, 268150), (1550, 206562), (1730, 185070), (1860, 172135), (1990, 160890), (2076, 154225), (2325, 137708), (2388, 134075), (2595, 123380), (2985, 107260), (3100, 103281), (3460, 92535), (3980, 80445), (4325, 74028), (4650, 68854), (4975, 64356), (5190, 61690), (5363, 59700), (5970, 53630), (6169, 51900), (8650, 37014), (9300, 34427), (9950, 32178), (10380, 30845), (10726, 29850), (11940, 26815), (12338, 25950), (12975, 24676), (14925, 21452), (16089, 19900), (17300, 18507)]