1640809995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 3277117440

約数和(自身を除く): 1636307445

約数列:

[1, 3, 5, 11, 15, 17, 23, 29, 33, 51, 55, 69, 85, 87, 115, 145, 165, 187, 253, 255, 319, 345, 391, 435, 493, 561, 667, 759, 877, 935, 957, 1173, 1265, 1479, 1595, 1955, 2001, 2465, 2631, 2805, 3335, 3795, 4301, 4385, 4785, 5423, 5865, 7337, 7395, 9647, 10005, 11339, 12903, 13155, 14909, 16269, 20171, 21505, 22011, 25433, 27115, 28941, 34017, 36685, 44727, 48235, 56695, 60513, 64515, 74545, 76299, 81345, 100855, 110055, 124729, 127165, 144705, 163999, 170085, 221881, 223635, 279763, 302565, 342907, 374187, 381495, 432361, 491997, 584959, 623645, 665643, 819995, 839289, 1028721, 1109405, 1297083, 1398815, 1714535, 1754877, 1870935, 2161805, 2459985, 2924795, 3328215, 3771977, 4196445, 4755971, 5143605, 6434549, 6485415, 8774385, 9944303, 11315931, 14267913, 18859885, 19303647, 23779855, 29832909, 32172745, 49721515, 56579655, 71339565, 96518235, 109387333, 149164545, 328161999, 546936665, 1640809995]

約数ペア:

[(1, 1640809995), (3, 546936665), (5, 328161999), (11, 149164545), (15, 109387333), (17, 96518235), (23, 71339565), (29, 56579655), (33, 49721515), (51, 32172745), (55, 29832909), (69, 23779855), (85, 19303647), (87, 18859885), (115, 14267913), (145, 11315931), (165, 9944303), (187, 8774385), (253, 6485415), (255, 6434549), (319, 5143605), (345, 4755971), (391, 4196445), (435, 3771977), (493, 3328215), (561, 2924795), (667, 2459985), (759, 2161805), (877, 1870935), (935, 1754877), (957, 1714535), (1173, 1398815), (1265, 1297083), (1479, 1109405), (1595, 1028721), (1955, 839289), (2001, 819995), (2465, 665643), (2631, 623645), (2805, 584959), (3335, 491997), (3795, 432361), (4301, 381495), (4385, 374187), (4785, 342907), (5423, 302565), (5865, 279763), (7337, 223635), (7395, 221881), (9647, 170085), (10005, 163999), (11339, 144705), (12903, 127165), (13155, 124729), (14909, 110055), (16269, 100855), (20171, 81345), (21505, 76299), (22011, 74545), (25433, 64515), (27115, 60513), (28941, 56695), (34017, 48235), (36685, 44727)]