216388620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{863}}^1$

素因数の和:1084

約数の個数: 144

約数和(自身を含む): 754790400

約数和(自身を除く): 538401780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 199, 210, 252, 315, 398, 420, 597, 630, 796, 863, 995, 1194, 1260, 1393, 1726, 1791, 1990, 2388, 2589, 2786, 2985, 3452, 3582, 3980, 4179, 4315, 5178, 5572, 5970, 6041, 6965, 7164, 7767, 8358, 8630, 8955, 10356, 11940, 12082, 12537, 12945, 13930, 15534, 16716, 17260, 17910, 18123, 20895, 24164, 25074, 25890, 27860, 30205, 31068, 35820, 36246, 38835, 41790, 50148, 51780, 54369, 60410, 62685, 72492, 77670, 83580, 90615, 108738, 120820, 125370, 155340, 171737, 181230, 217476, 250740, 271845, 343474, 362460, 515211, 543690, 686948, 858685, 1030422, 1087380, 1202159, 1545633, 1717370, 2060844, 2404318, 2576055, 3091266, 3434740, 3606477, 4808636, 5152110, 6010795, 6182532, 7212954, 7728165, 10304220, 10819431, 12021590, 14425908, 15456330, 18032385, 21638862, 24043180, 30912660, 36064770, 43277724, 54097155, 72129540, 108194310, 216388620]

約数ペア:

[(1, 216388620), (2, 108194310), (3, 72129540), (4, 54097155), (5, 43277724), (6, 36064770), (7, 30912660), (9, 24043180), (10, 21638862), (12, 18032385), (14, 15456330), (15, 14425908), (18, 12021590), (20, 10819431), (21, 10304220), (28, 7728165), (30, 7212954), (35, 6182532), (36, 6010795), (42, 5152110), (45, 4808636), (60, 3606477), (63, 3434740), (70, 3091266), (84, 2576055), (90, 2404318), (105, 2060844), (126, 1717370), (140, 1545633), (180, 1202159), (199, 1087380), (210, 1030422), (252, 858685), (315, 686948), (398, 543690), (420, 515211), (597, 362460), (630, 343474), (796, 271845), (863, 250740), (995, 217476), (1194, 181230), (1260, 171737), (1393, 155340), (1726, 125370), (1791, 120820), (1990, 108738), (2388, 90615), (2589, 83580), (2786, 77670), (2985, 72492), (3452, 62685), (3582, 60410), (3980, 54369), (4179, 51780), (4315, 50148), (5178, 41790), (5572, 38835), (5970, 36246), (6041, 35820), (6965, 31068), (7164, 30205), (7767, 27860), (8358, 25890), (8630, 25074), (8955, 24164), (10356, 20895), (11940, 18123), (12082, 17910), (12537, 17260), (12945, 16716), (13930, 15534)]