257267710960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{51871}}^1$

素因数の和:52167

約数の個数: 160

約数和(自身を含む): 680776427520

約数和(自身を除く): 423508716560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 251, 260, 304, 380, 494, 502, 520, 760, 988, 1004, 1040, 1235, 1255, 1520, 1976, 2008, 2470, 2510, 3263, 3952, 4016, 4769, 4940, 5020, 6526, 9538, 9880, 10040, 13052, 16315, 19076, 19760, 20080, 23845, 26104, 32630, 38152, 47690, 51871, 52208, 61997, 65260, 76304, 95380, 103742, 123994, 130520, 190760, 207484, 247988, 259355, 261040, 309985, 381520, 414968, 495976, 518710, 619970, 674323, 829936, 985549, 991952, 1037420, 1239940, 1348646, 1971098, 2074840, 2479880, 2697292, 3371615, 3942196, 4149680, 4927745, 4959760, 5394584, 6743230, 7884392, 9855490, 10789168, 12812137, 13019621, 13486460, 15768784, 19710980, 25624274, 26039242, 26972920, 39421960, 51248548, 52078484, 53945840, 64060685, 65098105, 78843920, 102497096, 104156968, 128121370, 130196210, 169255073, 204994192, 208313936, 247372799, 256242740, 260392420, 338510146, 494745598, 512485480, 520784840, 677020292, 846275365, 989491196, 1024970960, 1041569680, 1236863995, 1354040584, 1692550730, 1978982392, 2473727990, 2708081168, 3215846387, 3385101460, 3957964784, 4947455980, 6431692774, 6770202920, 9894911960, 12863385548, 13540405840, 16079231935, 19789823920, 25726771096, 32158463870, 51453542192, 64316927740, 128633855480, 257267710960]

約数ペア:

[(1, 257267710960), (2, 128633855480), (4, 64316927740), (5, 51453542192), (8, 32158463870), (10, 25726771096), (13, 19789823920), (16, 16079231935), (19, 13540405840), (20, 12863385548), (26, 9894911960), (38, 6770202920), (40, 6431692774), (52, 4947455980), (65, 3957964784), (76, 3385101460), (80, 3215846387), (95, 2708081168), (104, 2473727990), (130, 1978982392), (152, 1692550730), (190, 1354040584), (208, 1236863995), (247, 1041569680), (251, 1024970960), (260, 989491196), (304, 846275365), (380, 677020292), (494, 520784840), (502, 512485480), (520, 494745598), (760, 338510146), (988, 260392420), (1004, 256242740), (1040, 247372799), (1235, 208313936), (1255, 204994192), (1520, 169255073), (1976, 130196210), (2008, 128121370), (2470, 104156968), (2510, 102497096), (3263, 78843920), (3952, 65098105), (4016, 64060685), (4769, 53945840), (4940, 52078484), (5020, 51248548), (6526, 39421960), (9538, 26972920), (9880, 26039242), (10040, 25624274), (13052, 19710980), (16315, 15768784), (19076, 13486460), (19760, 13019621), (20080, 12812137), (23845, 10789168), (26104, 9855490), (32630, 7884392), (38152, 6743230), (47690, 5394584), (51871, 4959760), (52208, 4927745), (61997, 4149680), (65260, 3942196), (76304, 3371615), (95380, 2697292), (103742, 2479880), (123994, 2074840), (130520, 1971098), (190760, 1348646), (207484, 1239940), (247988, 1037420), (259355, 991952), (261040, 985549), (309985, 829936), (381520, 674323), (414968, 619970), (495976, 518710)]