641007180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1605

約数の個数: 216

約数和(自身を含む): 2251158000

約数和(自身を除く): 1610150820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 605, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1254, 1452, 1549, 1710, 1815, 1881, 1980, 2090, 2178, 2299, 2420, 2508, 3098, 3135, 3420, 3630, 3762, 4180, 4356, 4598, 4647, 5445, 6196, 6270, 6897, 7260, 7524, 7745, 9196, 9294, 9405, 10890, 11495, 12540, 13794, 13941, 15490, 17039, 18588, 18810, 20691, 21780, 22990, 23235, 27588, 27882, 29431, 30980, 34078, 34485, 37620, 41382, 45980, 46470, 51117, 55764, 58862, 68156, 68970, 69705, 82764, 85195, 88293, 92940, 102234, 103455, 117724, 137940, 139410, 147155, 153351, 170390, 176586, 187429, 204468, 206910, 255585, 264879, 278820, 294310, 306702, 323741, 340780, 353172, 374858, 413820, 441465, 511170, 529758, 562287, 588620, 613404, 647482, 749716, 766755, 882930, 937145, 971223, 1022340, 1059516, 1124574, 1294964, 1324395, 1533510, 1618705, 1686861, 1765860, 1874290, 1942446, 2249148, 2648790, 2811435, 2913669, 3067020, 3237410, 3373722, 3561151, 3748580, 3884892, 4856115, 5297580, 5622870, 5827338, 6474820, 6747444, 7122302, 8434305, 9712230, 10683453, 11245740, 11654676, 14244604, 14568345, 16868610, 17805755, 19424460, 21366906, 29136690, 32050359, 33737220, 35611510, 42733812, 53417265, 58273380, 64100718, 71223020, 106834530, 128201436, 160251795, 213669060, 320503590, 641007180]

約数ペア:

[(1, 641007180), (2, 320503590), (3, 213669060), (4, 160251795), (5, 128201436), (6, 106834530), (9, 71223020), (10, 64100718), (11, 58273380), (12, 53417265), (15, 42733812), (18, 35611510), (19, 33737220), (20, 32050359), (22, 29136690), (30, 21366906), (33, 19424460), (36, 17805755), (38, 16868610), (44, 14568345), (45, 14244604), (55, 11654676), (57, 11245740), (60, 10683453), (66, 9712230), (76, 8434305), (90, 7122302), (95, 6747444), (99, 6474820), (110, 5827338), (114, 5622870), (121, 5297580), (132, 4856115), (165, 3884892), (171, 3748580), (180, 3561151), (190, 3373722), (198, 3237410), (209, 3067020), (220, 2913669), (228, 2811435), (242, 2648790), (285, 2249148), (330, 1942446), (342, 1874290), (363, 1765860), (380, 1686861), (396, 1618705), (418, 1533510), (484, 1324395), (495, 1294964), (570, 1124574), (605, 1059516), (627, 1022340), (660, 971223), (684, 937145), (726, 882930), (836, 766755), (855, 749716), (990, 647482), (1045, 613404), (1089, 588620), (1140, 562287), (1210, 529758), (1254, 511170), (1452, 441465), (1549, 413820), (1710, 374858), (1815, 353172), (1881, 340780), (1980, 323741), (2090, 306702), (2178, 294310), (2299, 278820), (2420, 264879), (2508, 255585), (3098, 206910), (3135, 204468), (3420, 187429), (3630, 176586), (3762, 170390), (4180, 153351), (4356, 147155), (4598, 139410), (4647, 137940), (5445, 117724), (6196, 103455), (6270, 102234), (6897, 92940), (7260, 88293), (7524, 85195), (7745, 82764), (9196, 69705), (9294, 68970), (9405, 68156), (10890, 58862), (11495, 55764), (12540, 51117), (13794, 46470), (13941, 45980), (15490, 41382), (17039, 37620), (18588, 34485), (18810, 34078), (20691, 30980), (21780, 29431), (22990, 27882), (23235, 27588)]