644914380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 2103252480

約数和(自身を除く): 1458338100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 229, 251, 255, 330, 340, 374, 458, 502, 510, 561, 660, 687, 748, 753, 916, 935, 1004, 1020, 1122, 1145, 1255, 1374, 1506, 1870, 2244, 2290, 2510, 2519, 2748, 2761, 2805, 3012, 3435, 3740, 3765, 3893, 4267, 4580, 5020, 5038, 5522, 5610, 6870, 7530, 7557, 7786, 8283, 8534, 10076, 11044, 11220, 11679, 12595, 12801, 13740, 13805, 15060, 15114, 15572, 16566, 17068, 19465, 21335, 23358, 25190, 25602, 27610, 30228, 33132, 37785, 38930, 41415, 42670, 42823, 46716, 46937, 50380, 51204, 55220, 57479, 58395, 64005, 75570, 77860, 82830, 85340, 85646, 93874, 114958, 116790, 128010, 128469, 140811, 151140, 165660, 171292, 172437, 187748, 214115, 229916, 233580, 234685, 256020, 256938, 281622, 287395, 344874, 428230, 469370, 513876, 563244, 574790, 632269, 642345, 689748, 704055, 856460, 862185, 938740, 977143, 1149580, 1264538, 1284690, 1408110, 1724370, 1896807, 1954286, 2529076, 2569380, 2816220, 2931429, 3161345, 3448740, 3793614, 3908572, 4885715, 5862858, 6322690, 7587228, 9484035, 9771430, 10748573, 11725716, 12645380, 14657145, 18968070, 19542860, 21497146, 29314290, 32245719, 37936140, 42994292, 53742865, 58628580, 64491438, 107485730, 128982876, 161228595, 214971460, 322457190, 644914380]

約数ペア:

[(1, 644914380), (2, 322457190), (3, 214971460), (4, 161228595), (5, 128982876), (6, 107485730), (10, 64491438), (11, 58628580), (12, 53742865), (15, 42994292), (17, 37936140), (20, 32245719), (22, 29314290), (30, 21497146), (33, 19542860), (34, 18968070), (44, 14657145), (51, 12645380), (55, 11725716), (60, 10748573), (66, 9771430), (68, 9484035), (85, 7587228), (102, 6322690), (110, 5862858), (132, 4885715), (165, 3908572), (170, 3793614), (187, 3448740), (204, 3161345), (220, 2931429), (229, 2816220), (251, 2569380), (255, 2529076), (330, 1954286), (340, 1896807), (374, 1724370), (458, 1408110), (502, 1284690), (510, 1264538), (561, 1149580), (660, 977143), (687, 938740), (748, 862185), (753, 856460), (916, 704055), (935, 689748), (1004, 642345), (1020, 632269), (1122, 574790), (1145, 563244), (1255, 513876), (1374, 469370), (1506, 428230), (1870, 344874), (2244, 287395), (2290, 281622), (2510, 256938), (2519, 256020), (2748, 234685), (2761, 233580), (2805, 229916), (3012, 214115), (3435, 187748), (3740, 172437), (3765, 171292), (3893, 165660), (4267, 151140), (4580, 140811), (5020, 128469), (5038, 128010), (5522, 116790), (5610, 114958), (6870, 93874), (7530, 85646), (7557, 85340), (7786, 82830), (8283, 77860), (8534, 75570), (10076, 64005), (11044, 58395), (11220, 57479), (11679, 55220), (12595, 51204), (12801, 50380), (13740, 46937), (13805, 46716), (15060, 42823), (15114, 42670), (15572, 41415), (16566, 38930), (17068, 37785), (19465, 33132), (21335, 30228), (23358, 27610), (25190, 25602)]