265231260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 240

約数和(自身を含む): 1001763840

約数和(自身を除く): 736532580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 855, 945, 1026, 1134, 1140, 1197, 1231, 1260, 1330, 1539, 1596, 1620, 1710, 1890, 1995, 2052, 2268, 2394, 2462, 2565, 2660, 2835, 3078, 3420, 3591, 3693, 3780, 3990, 4788, 4924, 5130, 5670, 5985, 6155, 6156, 7182, 7386, 7695, 7980, 8617, 10260, 10773, 11079, 11340, 11970, 12310, 14364, 14772, 15390, 17234, 17955, 18465, 21546, 22158, 23389, 23940, 24620, 25851, 30780, 33237, 34468, 35910, 36930, 43085, 43092, 44316, 46778, 51702, 53865, 55395, 66474, 70167, 71820, 73860, 77553, 86170, 93556, 99711, 103404, 107730, 110790, 116945, 129255, 132948, 140334, 155106, 163723, 166185, 172340, 199422, 210501, 215460, 221580, 232659, 233890, 258510, 280668, 310212, 327446, 332370, 350835, 387765, 398844, 421002, 465318, 467780, 491169, 498555, 517020, 631503, 654892, 664740, 697977, 701670, 775530, 818615, 842004, 930636, 982338, 997110, 1052505, 1163295, 1263006, 1395954, 1403340, 1473507, 1551060, 1637230, 1894509, 1964676, 1994220, 2105010, 2326590, 2455845, 2526012, 2791908, 2947014, 3157515, 3274460, 3489885, 3789018, 4210020, 4420521, 4653180, 4911690, 5894028, 6315030, 6979770, 7367535, 7578036, 8841042, 9472545, 9823380, 12630060, 13261563, 13959540, 14735070, 17682084, 18945090, 22102605, 26523126, 29470140, 37890180, 44205210, 53046252, 66307815, 88410420, 132615630, 265231260]

約数ペア:

[(1, 265231260), (2, 132615630), (3, 88410420), (4, 66307815), (5, 53046252), (6, 44205210), (7, 37890180), (9, 29470140), (10, 26523126), (12, 22102605), (14, 18945090), (15, 17682084), (18, 14735070), (19, 13959540), (20, 13261563), (21, 12630060), (27, 9823380), (28, 9472545), (30, 8841042), (35, 7578036), (36, 7367535), (38, 6979770), (42, 6315030), (45, 5894028), (54, 4911690), (57, 4653180), (60, 4420521), (63, 4210020), (70, 3789018), (76, 3489885), (81, 3274460), (84, 3157515), (90, 2947014), (95, 2791908), (105, 2526012), (108, 2455845), (114, 2326590), (126, 2105010), (133, 1994220), (135, 1964676), (140, 1894509), (162, 1637230), (171, 1551060), (180, 1473507), (189, 1403340), (190, 1395954), (210, 1263006), (228, 1163295), (252, 1052505), (266, 997110), (270, 982338), (285, 930636), (315, 842004), (324, 818615), (342, 775530), (378, 701670), (380, 697977), (399, 664740), (405, 654892), (420, 631503), (513, 517020), (532, 498555), (540, 491169), (567, 467780), (570, 465318), (630, 421002), (665, 398844), (684, 387765), (756, 350835), (798, 332370), (810, 327446), (855, 310212), (945, 280668), (1026, 258510), (1134, 233890), (1140, 232659), (1197, 221580), (1231, 215460), (1260, 210501), (1330, 199422), (1539, 172340), (1596, 166185), (1620, 163723), (1710, 155106), (1890, 140334), (1995, 132948), (2052, 129255), (2268, 116945), (2394, 110790), (2462, 107730), (2565, 103404), (2660, 99711), (2835, 93556), (3078, 86170), (3420, 77553), (3591, 73860), (3693, 71820), (3780, 70167), (3990, 66474), (4788, 55395), (4924, 53865), (5130, 51702), (5670, 46778), (5985, 44316), (6155, 43092), (6156, 43085), (7182, 36930), (7386, 35910), (7695, 34468), (7980, 33237), (8617, 30780), (10260, 25851), (10773, 24620), (11079, 23940), (11340, 23389), (11970, 22158), (12310, 21546), (14364, 18465), (14772, 17955), (15390, 17234)]