77161980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 266499072

約数和(自身を除く): 189337092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 101, 102, 105, 107, 119, 140, 170, 202, 204, 210, 214, 238, 255, 303, 321, 340, 357, 404, 420, 428, 476, 505, 510, 535, 595, 606, 642, 707, 714, 749, 1010, 1020, 1070, 1190, 1212, 1284, 1414, 1428, 1498, 1515, 1605, 1717, 1785, 1819, 2020, 2121, 2140, 2247, 2380, 2828, 2996, 3030, 3210, 3434, 3535, 3570, 3638, 3745, 4242, 4494, 5151, 5457, 6060, 6420, 6868, 7070, 7140, 7276, 7490, 8484, 8585, 8988, 9095, 10302, 10605, 10807, 10914, 11235, 12019, 12733, 14140, 14980, 17170, 18190, 20604, 21210, 21614, 21828, 22470, 24038, 25466, 25755, 27285, 32421, 34340, 36057, 36380, 38199, 42420, 43228, 44940, 48076, 50932, 51510, 54035, 54570, 60095, 63665, 64842, 72114, 75649, 76398, 103020, 108070, 109140, 120190, 127330, 129684, 144228, 151298, 152796, 162105, 180285, 183719, 190995, 216140, 226947, 240380, 254660, 302596, 324210, 360570, 367438, 378245, 381990, 453894, 551157, 648420, 721140, 734876, 756490, 763980, 907788, 918595, 1102314, 1134735, 1286033, 1512980, 1837190, 2204628, 2269470, 2572066, 2755785, 3674380, 3858099, 4538940, 5144132, 5511570, 6430165, 7716198, 11023140, 12860330, 15432396, 19290495, 25720660, 38580990, 77161980]

約数ペア:

[(1, 77161980), (2, 38580990), (3, 25720660), (4, 19290495), (5, 15432396), (6, 12860330), (7, 11023140), (10, 7716198), (12, 6430165), (14, 5511570), (15, 5144132), (17, 4538940), (20, 3858099), (21, 3674380), (28, 2755785), (30, 2572066), (34, 2269470), (35, 2204628), (42, 1837190), (51, 1512980), (60, 1286033), (68, 1134735), (70, 1102314), (84, 918595), (85, 907788), (101, 763980), (102, 756490), (105, 734876), (107, 721140), (119, 648420), (140, 551157), (170, 453894), (202, 381990), (204, 378245), (210, 367438), (214, 360570), (238, 324210), (255, 302596), (303, 254660), (321, 240380), (340, 226947), (357, 216140), (404, 190995), (420, 183719), (428, 180285), (476, 162105), (505, 152796), (510, 151298), (535, 144228), (595, 129684), (606, 127330), (642, 120190), (707, 109140), (714, 108070), (749, 103020), (1010, 76398), (1020, 75649), (1070, 72114), (1190, 64842), (1212, 63665), (1284, 60095), (1414, 54570), (1428, 54035), (1498, 51510), (1515, 50932), (1605, 48076), (1717, 44940), (1785, 43228), (1819, 42420), (2020, 38199), (2121, 36380), (2140, 36057), (2247, 34340), (2380, 32421), (2828, 27285), (2996, 25755), (3030, 25466), (3210, 24038), (3434, 22470), (3535, 21828), (3570, 21614), (3638, 21210), (3745, 20604), (4242, 18190), (4494, 17170), (5151, 14980), (5457, 14140), (6060, 12733), (6420, 12019), (6868, 11235), (7070, 10914), (7140, 10807), (7276, 10605), (7490, 10302), (8484, 9095), (8585, 8988)]