128691780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2339}}^1$

素因数の和:2489

約数の個数: 96

約数和(自身を含む): 415134720

約数和(自身を除く): 286442940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 655, 786, 917, 1310, 1572, 1834, 1965, 2339, 2620, 2751, 3668, 3930, 4585, 4678, 5502, 7017, 7860, 9170, 9356, 11004, 11695, 13755, 14034, 16373, 18340, 23390, 27510, 28068, 32746, 35085, 46780, 49119, 55020, 65492, 70170, 81865, 98238, 140340, 163730, 196476, 245595, 306409, 327460, 491190, 612818, 919227, 982380, 1225636, 1532045, 1838454, 2144863, 3064090, 3676908, 4289726, 4596135, 6128180, 6434589, 8579452, 9192270, 10724315, 12869178, 18384540, 21448630, 25738356, 32172945, 42897260, 64345890, 128691780]

約数ペア:

[(1, 128691780), (2, 64345890), (3, 42897260), (4, 32172945), (5, 25738356), (6, 21448630), (7, 18384540), (10, 12869178), (12, 10724315), (14, 9192270), (15, 8579452), (20, 6434589), (21, 6128180), (28, 4596135), (30, 4289726), (35, 3676908), (42, 3064090), (60, 2144863), (70, 1838454), (84, 1532045), (105, 1225636), (131, 982380), (140, 919227), (210, 612818), (262, 491190), (393, 327460), (420, 306409), (524, 245595), (655, 196476), (786, 163730), (917, 140340), (1310, 98238), (1572, 81865), (1834, 70170), (1965, 65492), (2339, 55020), (2620, 49119), (2751, 46780), (3668, 35085), (3930, 32746), (4585, 28068), (4678, 27510), (5502, 23390), (7017, 18340), (7860, 16373), (9170, 14034), (9356, 13755), (11004, 11695)]